List of Regular Show characters

Regular Show is an American animated series created by J. G. Quintel. The series contains many characters, with seven main characters and various recurring and one-time characters.

Main characters

The main characters from the left to right: Pops, Benson, Skips, Rigby, Mordecai, Muscle Man, and Hi-Five Ghost.

Mordecai

Mordecai (voiced by J.G. Quintel) is a tall, thin, anthropomorphic blue jay who works as a groundskeeper at The Park. He has been best friends with Rigby ever since childhood, and together they are very lazy and constantly slack off at their jobs there. Mordecai is more conscientious, mature, and moral about his actions than Rigby is, which sometimes leads to his opposing Rigby when he is the cause of some kind of chaotic problem. However, Mordecai usually sides with his friend and the two generally stick together through their adventures. Mordecai loves to play video games and is a better player than Rigby. He can sometimes become caught up in his emotions, often letting them get the better of him. However, he is usually quick to apologize to others if he has hurt them and occasionally takes the lead in fixing a situation. He had a crush on Margaret Smith, a red robin who worked as a waitress at a local coffee shop. Mordecai would often hang out with her, along with Rigby and Eileen Roberts, and made many attempts to try to start a relationship with her. The two finally begin to date in the fourth season until Margaret decides to leave for college, thus ending their relationship. He decides to take a break from dating in "Dumped at the Altar", after his relationship with CJ didn't work out. In the episode "Camping Can Be Cool", it is revealed that he attended art school before being employed at The Park; however, he never finished the course due to his bad portrait skills, which were revealed in the episode "Bad Portrait". He is shown to have an uptight mom, who embarrasses him around his girlfriends and also made a highlight reel of Mordecai's most embarrassing moments, as seen in "Maxin' and Relaxin'". In the epilogue to "A Regular Epic Final Battle", Mordecai quits The Park and returns to making art. He opens a successful exhibition and meets a bat woman whom he marries and starts a family.

Rigby

Rigby (voiced by William Salyers) is a short, anthropomorphic brown raccoon who works as a groundskeeper at The Park. He has been best friends with Mordecai since childhood and slacks off even more than Mordecai does. Rigby is hyperactive, immature, and extremely mischievous, which sometimes puts him at odds with Mordecai. He mostly lives for simply having a good time and relaxing, which he sometimes achieves through selfish acts like lying or cheating. He has a bad habit of getting himself and others in trouble, often causing many of the chaotic and surreal problems that arise in The Park. Nevertheless, he is shown to be a good person deep down and sticks closely to his friends. Like Mordecai, Rigby loves to play video games, but he is the worse of the two. He is also shown to be the weakest of The Park workers, although he has surprised them on a few occasions. Rigby's lack of strength was a major plot point in the episode "One Pull Up," in which Rigby had to pass a company physical and keep his job by performing one pull up. He has a younger brother named "Don", whose height and physique lead people to believe that he, not Rigby, is the older brother. Eileen Roberts, a female mole who works at a local coffee shop, previously alongside Margaret Smith, has strong feelings for Rigby and makes this very obvious. He originally did not reciprocate her feelings and harshly ignored her at some points, but he quickly begins to warm up to her and implies that he likes her, as well. In "Dumped at the Altar", Rigby reveals to Mordecai that he and Eileen have been dating for months. Rigby is allergic to eggs, as evidenced in the episode "Eggscellent" when Rigby tried to eat a 12-egg omelet to win a trucker hat and went into a coma due to a severe allergic reaction. Rigby has also died four times and was resurrected in the series. He was killed by Skips in an arm wrestling match, he was killed by Snowballs the monster, he was killed by Mordecai who pushed him into the Space-Time Continuum, and fell into a fatal coma in "Eggscellent". As of Rigby's Graduation Day Special, Rigby is finally graduated from high school. In the epilogue to "A Regular Epic Final Battle", Rigby quits The Park and moves in with Eileen. They start a family, but it's unknown if Rigby is working or not as he is seen teaching his children how to play video games.

Benson

Benson Dunwoody (voiced by Sam Marin) is a living gumball machine who works as the manager of The Park. He is frequently infuriated with Mordecai and Rigby due to their constant slacking and mischief. He is very hot-tempered and prone to fits of rage, often turning red (or pink if injured) whenever he yells or is extremely angry, he has catchphrases are "You're Fired!", "[blank] or You're Fired!", or even "Get Back to Work!". At the end of some episodes, Benson tries to fire them, but Rigby and Mordecai find a way to keep their jobs with some help from other characters. Despite always being at odds with them, Benson is ultimately friends with them after calming down a bit in the episode "Benson Be Gone" and the three gain more insight and trust with each other as the series progresses. In the episode "Think Positive", it is revealed that Benson's family members often yelled at each other when he was a child. His father instructed him that he would not get anything in his life if he did not speak up for it. If Benson ever contained his anger for too long, the anger inside him will cause havoc and destruction unless he expresses his anger by yelling (often at Mordecai and Rigby). It has been implied that Benson was unhappy during his youth and did not enjoy his family's anger. He is skilled at stick hockey and has a strong love for music, proving to be an extremely skilled drummer in the episode "150 Piece Kit". Benson used to date Audrey, a human woman who lives across from him in his apartment complex. It is revealed that they broke up in "The Real Thomas", in which Benson starts to date an undercover Russian spy named Natalia, although she is later eaten by a whale. In the episode "Pam I Am ", Benson develops feelings for one of the dome scientists named Pam and they go on a 'date'. However, Dr. Langer witnesses the 'date' and makes a new rule that forbids the dome staff from dating anyone who works at the park. At the end of the episode, it is implied that Benson and Pam will date once the dome is gone. During the beginning of the episode "Fries Night", Benson contacts Pam back on earth, to which she revealed that having a "long distance" relationship with Benson because he is now in space is too difficult for her. She states that the reason for the break up is that she doesn't know when or if he will ever return to earth again. They both agree to become friends even though Benson later gets depressed from yet another break up with a woman he really cared for. In the epilogue to "A Regular Epic Final Battle", Benson remains working as the manager of The Park and gets back together with Pam. They apparently adopt Apple Sauce as well as a variety of cats.

Pops/Mega Kranus

Pops Maellard (voiced by Sam Marin) is a cheerful, quirky, and naïve lollipop-shaped man who resides at the house in The Park. His adoptive father, Mr. Maellard, is the owner of The Park. Pops tends to be very ecstatic about everything, often exclaiming "Good show!" or "Jolly good show!" when he is happy about something. When something bad happens, he will instead say "Bad show." He carries small lollipops in his wallet, sincerely believing that they are real money, much to everyone's confusion. He is an upright gentleman who is very kind and well-mannered to everyone. He is also very sensitive, often becoming upset or crying if his feelings are hurt. He has strong interests in poetry, wrestling, music, nature, animals, and games. Despite being an elderly man, he is very childlike and is often oblivious to serious things around him. Because of this, the group is frequently looking after him, especially Benson. In the episode "Prank Callers", it is shown that Pops was once a more serious and mature man back in the 1980s. However, when Mordecai and Rigby had been sent back to that time and accidentally hit him with a golf cart, he is shown to have turned into his zany self. Pops once owned a British doll named Percival, or Percy, who turned his back on him and tried to kill Pops in "Terror Tales of the Park". Pops is also one with nature, but lost it until he tries to find the answer to get it back, as shown in "Catching the Wave". In Season 8, Pops is revealed to be the universe's Chosen One due to being born with telekinetic abilities and ever since he is one with nature back in some previous season's episode, as well as having an evil version of himself with the ability to erase a person from existence. Pops' destiny is to kill Malum Kranus to prevent the destruction of the universe. In "A Regular Epic Final Battle", it is revealed that his real name in Mega Kranus. Pops also realizes that the best way to defeat Malum Kranus is with kindness. Pops gives Malum Kranus a hug and the two fly into the sun, killing them both in the process, and the universe is saved. In a sort of heavenly paradise, Pops' is heard saying his catchphrase 'Jolly Good Show' as a video tape of the show, and the show itself, ends.

Skips

Skips (formerly Walks) Quippenger (voiced by Mark Hamill) is a yeti who works as a groundskeeper at The Park. He is the strongest and smartest of The Park workers and they almost always turn to him for help, as he usually knows how to solve the chaotic problems that arise in The Park, but he isn't always right. Whenever he is asked for help, he generally says, "I've seen this before", and then presents a solution. As his name suggests, he is always skipping rather than walking. He is a diligent worker and is very skilled at his job; however, he suffers from a lack of knowledge of computers and other kinds of newer technology, which was seen in the episode "Skips vs. Technology". Aside from this, he is very experienced and knowledgeable, as he is immortal and has been alive for hundreds of years. In the episode "Free Cake", it is revealed that he must perform a ceremonial dance every year on his birthday in order to renew his immortality. He explains the story of how he received his immortality in the episode "Skips' Story." He chose to become immortal in order to fight Klorgbane, an immortal bully who inadvertently caused the death of his girlfriend Mona, the only woman that Skips had ever loved. The Guardians of Eternal Youth provided Skips with his immortality, knowing that he was the only one capable of defeating Klorgbane with the Fists of Justice. Skips' birth name was Walks, but he changed it to Skips when he received his immortality because he and Mona would always skip when they were together. This is also the reason why he always skips instead of walking; he chose to do this in order to remember the times he and Mona shared for all his life. Skips also plays a bass guitar, which was revealed in a few episodes. In the epilogue to "A Regular Epic Final Battle", Skips remains working at The Park, satisfied with his life.

Muscle Man

Mitchell "Muscle Man" Sorenstein (voiced by Sam Marin) is a short, obese and green-skinned man who works a groundskeeper at the Park. He is very erratic and immature, often pulling pranks and joking around. He enjoys telling "My mom!" jokes, botched attempts at "yo' momma" jokes, much to the annoyance of everyone except Hi Five Ghost, his best friend. Although he can be rude due to his ego, he is ultimately shown to be polite and caring toward his friends. He and Fives were fired in the episodes "Don" and "Under the Hood" but were rehired at the end. At times, he can burst out on a rampage if he is greatly angered. His father, Muscle Dad, enjoyed the same attitude for pranks and jokes, but died in the episode "Trucker Hall of Fame". His older brother, Muscle Bro (real name John), is also seen throughout the series. Muscle Man originally shared a rivalry with Mordecai and Rigby throughout the first two seasons, but the three started to get along and treat each other as friends from the third season onward. His girlfriend, Starla, shares a similar appearance to him and the couple constantly disgust other people when they publicly kiss and show affection to each other. His real name was revealed to be Mitch Sorenstein in the episode "Muscle Woman". In the episode "Power Tower", it is revealed that he gained the nickname "Muscle Man" from his early years of bodybuilding and actually being in excellent physical condition, but he found that life very boring and gave it up. In "The End of Muscle Man", he proposes to Starla and the two become engaged and they are now married in "Dumped at the Altar". In the epilogue to "A Regular Epic Final Battle", upon returning home Muscle Man discovers he has a three year old daughter. He and Starla live out their days in their trailer park home and have numerous children.

High Five Ghost

High Five Ghost (voiced by J.G. Quintel) is a small ghost with a hand extending from the top of his head who works as a groundskeeper at The Park. High Five Ghost is best friends with Muscle Man and frequently gives him high fives to accompany his jokes, as he genuinely finds most of Muscle Man's jokes amusing. Because of his name and appearance, he is frequently called by his nickname, "High Fives". High Five Ghost rarely speaks throughout the first three seasons of the series, but he is given more dialogue from season four onward. His father was introduced in the episode "See You There", as well as his older brother, Low Five Ghost, who works as a police officer. In the episode "The Postcard", High Five Ghost reunited with a human girl named Celia whom he had befriended after waiting four years to receive a postcard from her. In the epilogue to "A Regular Epic Final Battle", High Five Ghost and Celia become a married DJ duo and tour the world together. They too, have a child.

Eileen

Eileen Roberts (voiced by Minty Lewis, a writer/storyboard artist for the series) is a shy and timid mole who works at a local coffee shop, previously alongside Margaret. She has a crush on Rigby, but he initially found her annoying. She first appeared in the episode "Brain Eraser". She also appears in the episode "Do Me a Solid", in which Rigby learns of Eileen's crush on him (even though Rigby shows no interest in Eileen), though he goes along with it for a while. Since the episode "Camping Can Be Cool", Rigby has warmed up to Eileen. Rigby thought very highly of her and praised her actions throughout the episode. In the episode "Diary", Rigby admits that he finds Eileen to be attractive when she is not wearing her glasses, but it also reveals that she also can't see without them. In the episode "One Pull Up", Eileen helps Rigby train for his company physical and he shows his gratitude by hugging her (and crushing her due to his enlarged physique). In the episode "Eileen Flat Screen", it is revealed that Eileen and Rigby have been spending more time together. In "Dumped at the Altar", Rigby tells Mordecai that he and Eileen have been dating for two months. In "Rigby's Graduation Day Special", Eileen finally graduates from college, in the same time Rigby finally gets his high school diploma on his graduation. While cooking for a graduation party for her and Rigby as the guys uninitially pressing the button that can send them and the park to space, Eileen is currently stuck with the guys. As of Season 8, Eileen is currently the new main characters member. In the epilogue to "A Regular Epic Final Battle", she and Rigby move in together and start a family. It is unknown if she has a job or not, but based on her husband's lazy personality, it can be implied that she does.

Recurring characters

Nikolai

Nikolai (seasons 4–7) (voiced by Roger Craig Smith) is a young goat who was trained by the KGB as a ruthless spy, who later sent him to work for the Russian organization M.O.M.M. (Ministry of Mental Management), a company whom struggled to find out what made American parks up to date and wealthy. In order to fix the country's outdated parks, the company sent out Nikolai on a covert operation to obtain the park and bring it back to Russia. During his undercover mission, he changed his identity to "Thomas" and presented himself as a newcomer in "Exit 9B" (in which he made his debut), working as an unpaid intern who calls his "mom" on a regular basis and is often reproved by his coworkers, most notably by Muscle Man. He is also usually reluctant to be involved in the surreal and chaotic adventures that arise in The Park, often asking if he has to be part of the situation, to which they insist that he must. There are times, however, when Nikolai becomes personally invested in maintaining his cover, such as using a robot to pose his "mom" in "The Thanksgiving Special" and wearing spy attire disguised as a Halloween costume (a slice of pizza, which he had to wear until Thanksgiving Day upon losing a bet in "Terror Tales of the Park III"). Eventually, he reveals his true identity to the park crew and why he's really working there in "The Real Thomas", when the other Russian spies that were deployed with him carry out the final phase of the plan to bring The Park to Russia. But when Nikolai learns the plan is really to destroy the Park through a loophole in Russian/American relations, he turns on his fellow spies for being lied to (along with some persuasion by the park crew to remind him of the good times they had as friends, despite the constant poor treatment he received from them for being an intern), and returns the Park to American soil before going on the run from both sides. He makes several cameos after this, usually in some sort of disguise. Eventually, he returns in "Guys Night 2", revealing himself to be tired of his old life as a spy and wants to move on to a new life, in which his only option is to go hiding forever, but has one final hang with the park crew. He would later make non-speaking cameos in later episodes.

Margaret

Margaret Smith (voiced by Janie Haddad-Tompkins) is a female red robin who was a waitress at a local coffee shop. She was good friends with her co-worker, Eileen. Mordecai had a huge crush on Margaret and frequently found excuses to go to the coffee shop to see her. She has a cousin named John who has an artificial wooden leg. The rest of her family are all birds like her and Mordecai, except for her father Frank, a strong and stern human. Margaret returns Mordecai's feelings for her and the two begin to finally date in the fourth season. They broke up in the finale when Margaret leaves for college. In the episode "Eileen Flat Screen", Margaret returns now as a news reporter, which no one notices. In "Merry Christmas Mordecai", Mordecai becomes nervous when he hears that Margaret will be there. After several awkward encounters (thanks to Mordecai), they finally manage to have a normal conversation with both acknowledging that they had some good times. This leads to a montage of memories, ending with a kiss on a roller coaster. Unfortunately, when the scenes flashes to the present, they accidentally kiss on the lips and are shocked when they notice CJ watching them. CJ runs out of the house and leaves while Mordecai runs upstairs to find his phone; he notices that all of Margaret's stuff is there and Eileen tells him she is staying as an intern. Mordecai is frantic when he hears the news and didn't know what to say about Margaret staying with Eileen from now on.

As of "Sad Sax", Mordecai and Margaret are still just friends, and Mordecai makes it up to CJ by telling her the honest truth.

In "1000th Chopper Flight Party", Mordecai is still awkward with her presence and afraid to screw up, even to the point of letting Rigby constantly mess up the Party as a diversion just to keep her away from him. When he finally is declared as the lucky guest to ride Chopper 6 for its 1000th flight, he finds it hard to say no and joins. Margaret tries to talk to him, but Mordecai awkwardly resists until she scolds him for his attitude in desire for their friendship. Mordecai then lifts the tension with a joke and they finally start to have a fun chat. This however angers CJ, who misinterprets it as them rekindling their love, and she causes havoc with her storm cloud ability. Mordecai tries to save Margaret, but she calms CJ when she reveals that she is in a relationship with news anchor, Del Hanlon, which stuns Mordecai and surprises her parents.

In "Not Great Double Date", He seemed upset that Margaret appeared to have a boyfriend for herself, but still said that she seemed happy with Del and that he liked him. When she confessed that Del was not her boyfriend and that she was tired of feeling like a tourist around her friends because of the tension with CJ, he felt sad about it and was pretty interested to know that she still had feelings for him.

In "Just Friends", Rigby and Eileen go to the presentation of martial arts Don therefore Mordecai and Margaret spend a night that coincidentally has romantic moments. A chef named Daisuke shows them their future using magical sauce. It is revealed that if and when Mordecai and Margaret get together, they will get married, have children, buy their own houseboat, and die peacefully after 50 happy years. Mordecai and Margaret agree that their future looks like it will be really great, but that they are still young and should take it easy on relationships. At the end of the episode, the two agree to remain just friends, with future Margaret looking down on them and inquiring how long they can be just friends, and future Mordecai stating that "only time will tell."

In "Rigby's Graduation Special", she was very worried as she watched Mordecai and the other park workers were shot into space, even saying his name in concern.

However, in the epilogue to "A Regular Epic Final Battle", she is seen only greeting Eileen when she returns. She does not end up with Mordecai and is not seen with the group 25 years later, though one can imply that they are still good friends.

Audrey

Audrey (voiced by Courtenay Taylor) is Benson's ex-girlfriend and neighbour who appears in "Weekend at Benson's", "Fortune Cookie", "The Christmas Special", and "Party Re-Pete". It is revealed in "The Real Thomas" that they broke up.

Starla

Starla "Muscle Woman" Gutsmandottir-Sorrenstein (voiced by Courtenay Taylor) is an obese, green woman similar in appearance to Muscle Man. She works at Icy & Hot Jewelry & Apparel. In the episode "Muscle Woman", she developed a crush on Mordecai and had previously dated two other people as indicated by a tattoo on her lower back. When Mordecai broke up with her, she became extremely angry, destroying everything in her path, including a helicopter. She got back together with Muscle Man after he expressed his feelings towards her at the end of the episode. Since then, Starla has appeared with Muscle Man in various episodes, including "Fancy Restaurant", "Pie Contest" and "Bald Spot". In the episode "The End of Muscle Man", Muscle Man proposes to Starla and the two become engaged. In the episode "Dumped at the Altar", she marries Muscle Man. In the epilogue to "A Regular Epic Final Battle", Starla is revealed to have had a daughter during the crew's three year absence.

Mr. Maellard

Mr. S. Maellard (voiced by David Ogden Stiers) is an elderly lollipop man who owns The Park and is also Pops' stepfather. He first appeared in the episode "Dizzy". Maellard is very impatient towards Benson (similar to Benson's impatience towards Mordecai and Rigby) and Maellard blames Mordecai and Rigby's shenanigans on Benson (as he expects Benson to take responsibility for Mordecai and Rigby as park manager). He purposely mistakes Benson's name a lot in some of the episodes in which he appears (using "Ballbucket", "Beanbag", etc.). Maellard finally got Benson's name right (and started to respect him more as well) in the episode "Benson Be Gone" due to Benson's coming to his rescue when he was captured by Susan (a woman whom Mr. Maellard had hired as the park manager after demoting Benson and is later revealed to be a demon) and also gave Benson his old job back. As the series progresses, he turns into quite an eccentric character. He sends the gang to space in the final season and in the episode "The Ice Tape", Pops and the gang find out that Maellard is not his real father but Maellard found him as baby and adopted him during an expedition and kept him safe until the time was right for Pops to fulfill his destiny but Maellard tells Pops that no matter what he always thought of him as his real son. In the season finale, after the park gang return from space for three years in 25 years later, he apparently died in natural cause.

CJ

Cloudy Jay "CJ" Love (voiced by Linda Cardellini) is a cloud humanoid. She had been Mordecai's girlfriend with reoccurring anger problems. She first appeared in the episode "Yes Dude Yes", in which Mordecai started dating her after thinking Margaret was engaged. After learning that Margaret was not getting married, he almost immediately forgets about CJ, leading to an ugly break up at the coffee shop in which she revealed that she can transform into a deadly storm when really angry and assumed this form in three episodes. After Margaret leaves town for college, CJ and Mordecai meet each other at the New Year's Eve dance in the episode "New Year's Kiss", unwittingly kissing each other at midnight. The following episode, "Dodge This", continues this story days after the kiss with CJ and Mordecai competing against each other in a dodgeball tournament. This leads to awkwardness between the two in the final round of the dodgeball tournament and they are forced to address their issues before the Intergalactic Dodgeball Council. They later agreed just to be friends. At the end of the episode "I Like You Hi", Mordecai asks CJ out and she agrees to go out with Mordecai. In the following episode, "Play Date", CJ and Mordecai plan to go out, but are interrupted by Death's 300-year-old son, Thomas. In the Season 5 finale "Real Date", Mordecai saves her life when the founder of Couple Corral McIntyre tries to get them to break up and they officially become a couple. In "Merry Christmas Mordecai", she sees Mordecai and Margaret accidentally kiss, and drives off very upset. In "Sad Sax", Mordecai tries to reconcile with her after receiving advice from "Sad Sax Guy", and they finally get back together. In the episode "1000th Chopper Flight Party", she screws up and ruins their relationship, and she and Mordecai break up in "Dumped at the Altar".

Baby Ducks

The Baby Ducks (voiced by J. G. Quintel, William Salyers, Sam Marin, Mark Hamill, and Roger Craig Smith) are a group of four ducks whom Mordecai and Rigby found in a fountain in the park in the episode "A Bunch of Baby Ducks". They have shown their ability to fuse together to form a giant, anthropomorphic, duck-like creature when they fist-pump simultaneously. They return in the episode "A Bunch of Full-Grown Geese" to help Mordecai and Rigby rid the park of the evil, titular geese who soon turn into a giant monster. The duo helped the baby ducks upgrade their giant form and succeeded in defeating the geese. They also appeared in "Exit 9B" where they helped fight the park worker's past villains in their giant form. Before their official debut, a group of baby ducks are some of the things sent to the moon by Rigby in the episode "The Power". In the final season finale, they help the Park gang fight Anti-Pops and Streaming.

Guardians of Eternal Youth

The Guardians of Eternal Youth (voiced by David Kaye, Robin Atkin Downes, Roger L. Jackson, J. G. Quintel, and Troy Baker) are a group of five infant-like beings for whom Skips must perform a ceremonial dance in order to maintain his immortality. Skips also attended school with them before they granted him his immortality. They also designed and built Skips' Fists of Justice, which allowed him to defeat Klorgbane the Destroyer (their evil brother) in the episodes "Fists of Justice" and "Skips' Story" and they seem to like cake. Mordecai and Rigby found out about this and because they accidentally injured Skips, they took over and defeated Klorgbane (but not before he killed Archibald, one of the guardians), who vowed to return before he was sent flying away. They also appeared in "Exit 9B", where they help the park workers fight off their past villains. In the episode "Quips", the leader's name is revealed to be Reginald, and in "Skips' Story", the names of the other three guardians are revealed to be Oswald, Boswald, and Griswald. In the final season finale, they help the park gang fight Anti-Pops and Streaming.

Gary

Gareth "Gary" (voiced by Robin Atkin Downes) is the king of Synthos who went to school with Skips and the Guardians of Eternal Youth. He works as a valet for the Guardians and also made an appearance in the episode "Cool Bikes" where he served as Mordecai and Rigby's lawyer. In "Gary's Synthesizer" it is revealed that he has an old synthesizer that keeps him alive, but if it comes unplugged he will disappear. He is the king of his home planet Synthos, but left to travel the galaxy and his half-brother David took over. When he found out how strict David is as king of Synthos, he battled him in a music battle and won. David was destroyed in the sun and his disk was smash by two Synthos people Robert and Keith who hated David. Then Gary declared that from now on Synthos will have no ruler. In the final season finale, he helps the park gang fight Anti-Pops and Streaming.

Death

Death (voiced by Julian Holloway in a cockney accent) is a grim-reaper who tried to take the immortal life of Skips during his first appearance in the episode "Over The Top". He also tried to take Muscle Man's soul twice in the episodes "Dead at Eight" and "Last Meal" and even tried to take everyone's souls in "Skips Strikes". However, he also helped the groundskeepers defeat Garret Bobby Ferguson's villains in the episode "Exit 9B". Death has a son named Thomas (voiced by Michael Dorn), a 300-year-old demon. He later helped them retrieve Maellard's guitar in "Guitar of Rock". He later appears in "The End of Muscle Man" where the others think he's trying to take Muscle Man's soul, but was only there to deliver him a ring. In the final season finale, he helps the park gang fight Anti-Pops and Streaming.

Don

Don (voiced by Julian Dean) is Rigby's younger brother. Introduced in the episode "Don", Don is better and more likeable than Rigby in most ways, though as a child he was trying to be as cool as Rigby, unknowingly causing Rigby to be extremely jealous. Don is also significantly taller than Rigby, and loves to give hugs to other people. At the end of the episode, the two reconcile as Rigby apologizes to Don on his jealousy towards him, while Don apologizes for not knowing of Rigby's annoyance towards him. Don returned in the episode "Bank Shot", where he helped Rigby practice for a bet he made with someone.

Low Five Ghost

Low Five Ghost (voiced by Roger Craig Smith) is a ghost who is High Five Ghost's brother who works as a police officer. It was revealed that he once served a sentence in prison until his brother High Five and Muscle Man bailed him out in "See You There". He also appeared in "The Postcard" to help his brother decipher the words from a busted up postcard in order to determine where High Five promised to meet a girl named Celia many years ago. He later appeared to help Mordecai, Rigby, Hi-Five Ghost & Muscle Man get a car so they can get burritos with all kinds of meat.

God of Basketball

The God of Basketball (voiced by Carl Weathers) is a basketball/human hybrid who is also known as the Basketball Coach King. He apparently lives within the moon and rides in a custom designed white flying Cadillac Escalade. The God of Basketball then quickly befriends Mordecai and Rigby in "Slam Dunk" which leads him into offering them to learn how to play basketball well. When that does not go according to plan, he uses his powers to instantly grant both of them great basketball powers. The God of Basketball momentarily changes sides when he is forced to play with Muscle Man against the duo for computer rights for life. The The God of Basketball also appeared when he helped Rigby to get back his hat, in the match of Rigby vs. a Basketball net face-like weirdo in 'Bank Shot'. The God of Basketball later appears in "Exit 9B" as a protagonist Skips summons to help save The Park and he also appears in "Bank Shot".

Techmo

Techmo (voiced by Steven Blum) was once a human named Samson until he became a technomancer cyborg. He first appeared in "Skips vs. Technology" to help Mordecai, Rigby, and Skips solve a computer error named Error 220 (little did Mordecai, Rigby and Skips know error 220 was a virus known as "Doom Ma Geddon"). Techmo eventually became possessed by Doom Ma Geddon, but the trio were able to defeat the virus and free Techmo by destroying the computer. In "Exit 9B", Techmo is among the characters that are summoned by Skips to help fight Garrett Bobby Ferguson and his villain allies. He also appears in "A Skips in Time" where he helps the past Skips return to his time in order to save the present Skips from dying.

The Phone Guardians

The Phone Guardians (voiced by Rich Fulcher and William Salyers) are five living objects (a fire in a wigwam, two tin cans connected by a string, an answering machine, a message in a bottle, and a chalkboard) who serve as guardians of phones and live in an empty universe. They first appeared in "Butt Dial" where they threaten to erase Mordecai and Rigby from existence for hacking into Margaret's phone to erase an embarrassing message that Mordecai accidentally recorded, in which they chose to play it for Margaret instead of erasing it. After listening to it, Margaret insists that Mordecai and Rigby should be released, believing that they "learned their lesson." They also appeared in "I Like You Hi" where they help Mordecai admit his feelings to CJ.

Dr. Henry

Dr. Henry (voiced by Armin Shimerman) is a lollipop man who serves as the park doctor. He first appeared in "Cool Cubed," where he told Mordecai and Rigby to go into Thomas' brain. Then in "Catching the Wave", he told Pops to try and stay away from surfing or else his big head would put too much strain on his neck. He later appears in "The End of Muscle Man" where he advises Muscle Man if he is in good condition to do his last activities as a bachelor.

RGB2

RGB2 (voiced by Sam Marin) is a TV robot controlled by an old man from the inside and a long-lost brother of the Baby Ducks. He first appeared in "That's My Television" where Mordecai and Rigby help him escape from the studio. He was the star of the sit-com, That's My Television. He is briefly seen in "The Thanksgiving Special" as a cook.

His name was a reference to R2-D2, a famous character of the Star Wars cinematic franchise.

The Sensei

The Sensei (voiced by Sam Marin) is a red-haired, overachieving and obese man who used to teach Death-Kwon-Do. After Mordecai and Rigby stole his moves in "Death Punchies", he was forced to shut his dojo down. He re-appears in "Sandwich of Death" as the owner of Death-Kwon-Do Dojo Pizza and Subs and helps them retrieve the cure for Benson, who ate the Death Sandwich incorrectly. It is revealed that he had a falling out with his master, who tried to kill him when they tried to retrieve the cure.

Dr. Reuben Langer

Dr. Reuben Langer (voiced by Troy Baker) was the new leader of the Dome project who first appeared in "The Button". After Mordecai, Rigby, and the gang froze the original leader, the Space Tree sent Langer to continue the Dome project. He told the gang not to push the button yet because Langer and his crew are still working on the rockets. In the episode "Rigby's Graduation Day", he sent a fax to the gang to push the button to launch them into space for their mission: Protect and Trained Pops against his long-lost evil brother, Anti-Pops.

Chance Sureshot

Chance Sureshot (voiced by Matthew Mercer)

Toothpick Sally

Toothpick Sally (voiced by Vanessa Marshall)

Recap Robot

Recap Robot (voiced by Matthew Mercer)

Colonel Rawls

Colonel Rawls (voiced by DC Douglas) is the leader of the Space Tree who first appeared in "Welcome to Space". After the Park gang was sent into space, Rawls ordered Sureshot and his Crew to find the gang. When the Gang arrived at the Space Tree, Rawls told them why Maellard and Langer sent them into space for a special mission. In the episode "Space Escape", Mordecai and Rigby told Rawls that Anti-Pops erased an employee from Comet Stop. Rawls ordered everyone to get out of the Space Tree and he managed to get Mordecai, Rigby, and the gang out of the hanger but he decided to stay at the Space Tree.

Earl

Earl (voiced by Feodor Chin) is the master of Pops who fist appeared in "The Ice Tape". After Maelard revealed to Pops The he wasn't his real father, he told Pops to find Earl since he's the one who can help Pops to fight his evil brother. After the tape melted, Earl revealed himself to the Gang. Later, in the episode "The Key to the Universe", Earl was testing Pops by making him do his chores. But when Pops had enough, Earl showed Pops a fragment from the previous Universe and also showed him the decision of Pops not fighting his Brother. Pops later ran away and hid from everyone but Mordecai and Rigby talked to him. After the gang talked to Pops, Earl throwed a Lemon on Pops and he used his powers to squeeze the lemon, knowing that Pops used his powers, Earl knows that Pops was ready for his real training. During the episode "No Train No Gain", Earl senses that Anti-Pops erased a phone from existence and his powers were growing. Earl used a training montage with some of his favorite music to train Pops quickly. But when Mordecai and Rigby are tired with his music, They used their own music to speed up Pops's own training, but Earl told them that Pops goes to fast and goes out of control. The gang and Earl stopped Pops and Earl relised that Pops was ready to fight his brother. In "Kill'Em with Kindness", he is erased by Anti-Pops. In the final season finale, when both Pops and Anti-Pops died together and restoring everything in the universe that has been destroyed by their cause in balance, meaning that Earl is revived.

The Seer

The Seer (voiced by Yvette Nicole Brown)

Father Time

Father Time (voiced by Fred Tatasciore) is a large being made of clocks and wears a purple hat. He leaves within an invisible house in the space-time continuum. In the episode "It's Time" Mordecai accidentally traveled to his dimension when he tried destroy several clocks using a microwave oven out of jealousy due to Rigby's relationship with Margaret, unwittingly killing Rigby in the process. Father Time got upset with Mordecai because of his jealousy and although Mordecai had to stay in his dimension as punishment, he instead sends him back in time on a "time horse" to restart the whole thing (as house guests annoy him). He also appears in Regular Show: The Movie where he owns a gas station and convinces Rigby to apologize to Mordecai for lying to him. His body has also been falling apart due to Mr. Ross's timenado.

Archie the Archivist/Laserdisc Guardian

Archie is a DVD shop owner and the protector of the remaining laserdisc player who can transform into the Laserdisc Guardian in the form of a crystal being and speaks in a language that only the Guardians of Obsolete Format, DVD, and Blu-Ray can understand. He first appears in "The Last Laserdisc Player". Mordecai, Rigby, Muscle Man, and Hi-Fives Ghost came to his store to buy a laserdisc player, but he points out that they're all out and takes them to the basement to prove it. When they show him that laserdisc record that they found, he reveals that they are the discmasters and uses that record to open the door to a secret room where the last laserdisc player and the Guardians of Obsolete Format are in. During the fight against the Ancient Order of the VHS, he gets injured by the VHS Robot and the discmasters transform him to his true form, who then defeats the VHS men and the VHS Robot. He is then seen watching a movie on the laserdisc player with the discmasters and the Guardians. He also appears in "Format Wars II" where he again helps the discmasters find the universal remote, which reveals that Benson is the fifth discmaster and joins the fight against his son, DVD and his creation: Internet. When he and DVD try to reconcile, Internet betrays DVD and kills Archie. He reappears as a ghost at the end of the episode, once again watching a movie with everyone else.

DVD/HD-DVD

DVD/HD-DVD is Archie's son who first appeared in "Format Wars II". During the episode he killed Microfiche before the battle. He later revealed himself to his father and the Disc Masters. DVD and his father engaged in a battle while everyone else fight to the death. As DVD was about to kill his father, they reconcile but Internet betrayed him and killed his father. DVD decided to help the Disc Masters by giving his code for the remote. After the battle ended, he later watched a movie with the Disc Masters that they want to watch. In the episode "Meet the Seer", he and his sister Blu-Ray was on Planet Nielsen when they encountered Mordecai and Rigby. They told them to go away, but when they saw Pops and remembered the Disc Masters, they revealed themselves. DVD also revealed that he was upgraded himself to HD-DVD. He and his sister would later escape Planet Nielsen when it exploded. They later pay them a visit to record all of their memories of the entire series (although they nearly get caught into it in the process) and assist them in the final battle against Anti-Pops and Streaming.

Blu-Ray

Blu-Ray is the daughter of Archie who first appeared in "Meet the Seer". She and her brother HD-DVD were on Planet Nielsen when they both encountered Mordecai and Rigby. They told them to go away, but they saw Pops and remembered the Disc Masters, so the 2 of them revealed themselves. In the same episode she and her brother argued about who is the most superior format today. She would later escape with her brother when Planet Nielsen exploded. They later pay them a visit to record all of their memories of the entire series (although they nearly get caught into it in the process) and assist them in the final battle against Anti-Pops and Streaming.

Guardians of Obsolete Formats

The Guardians of Obsolete Formats are giant beings with heads resembling original tape players. They first appeared in "The Last Laserdisc Player" where they are awakened by the Disc Masters (Mordecai, Rigby, Muscle Man, and Hi-Fives Ghost) to protect the remaining laserdisc player. During the fight against the Ancient Order of the VHS, the guardian 8-Track is killed. They return in "Format Wars II" where they help the Disc Masters find the universal remote (which also reveals that Benson is the fifth Disc Master). In the fight against DVD and Internet, Betamax and Floppy Disc are killed. The remaining guardian Reel-to Reel and his brother Black and White meet them again in "Meet the Seer" where they help the park gang fight through Planet Nielsen until they are both killed by Streaming.

Betamax

Betamax is one of the Guardians of Obsolete Formats with the head that resembles a Betamax player. He is killed by Internet and DVD.

8-Track

8-Track is one of the Guardians of Obsolete Formats with the head that resembles a 8-Track player. He is killed by the VHS Robot.

Floppy Disc

Floppy Disc is one of the Guardians of Obsolete Formats with the head that resembles a Floppy Disc player. He is killed by Internet and DVD.

Reel-to-Reel

Reel-to-Reel is one of the Guardians of Obsolete Formats with the head that resembles a projection camera. He is killed by Streaming.

Black and White

Black and White is one of the Guardians of Obsolete Formats with the head that resembles a a black and white TV. He is killed by Streaming.

ENIAC

ENIAC is the first computer that was ever made. He is accidentally killed during the fight against DVD and Internet.

Ampex Quadruplex

Ampex Quadruplex is a friend of the Guardians of Obsolete Formats who was killed by DVD.

White Elephant

The White Elephant is a white anthropomorphic elephant and guardian of the White Elephant Gift Exchange ceremony who appears in "White Elephant Gift Exchange". When the park gang attempt to pay Muscle Man back for his past pranks, they are teleported to the White Elephant's temple. He is unhappy with the park gang for violating the rules of the White Elephant Gift Exchange; which is to hand out gifts you don't like, not receive gifts you like, which makes it entertaining. Because of this, they must stay in his temple for all eternally for going overboard with their revenge prank and are not allowed to open any of the gifts here; however, he does give them two options: go back and make amends or open the gift box that he offers them. They choose to go back but decide to carry out their revenge prank anyway when they find out that Muscle Man had pranked them again. At the end of the episode, the White Elephant watches through the snow globe in the gift box that he offered to the park gang earlier, who then winks at the audience and leaves. This implies that he may have been aware of Muscle Man's prank and orchestrated the whole thing to ensure that the park gang's revenge prank succeeds.

Villains

Malum Kranus

Malum Kranus (voiced by Robert Englund) is an evil and powerful version of Pops with the ability to erase a person or anything from existence, including an armada of bounty hunters. He was first introduced the Season 8 episode "The Dream Warrior", where he sent a nightmare alien to go inside Pops' dream and question him about his location. In the season 8 episode, "The Ice Tape" it's revealed that he is in fact the evil twin brother of Pops and that he must kill him to ensure the destruction of the universe. In the episode "Kill 'Em with Kindness" Pops tries to settles things peacefully with Malum Kranus but fails as he shows no mercy towards Pops. After he follows them to Pops' home planet, and engages Pops in an epic battle while Pops still tries to ends thing peaceful, with little success. Streaming also arrives to aid him in the fight against Pops and the park workers. In the end, the brothers are killed when Pops flies them both into the sun, with Malum Kranus showing some emotion before his destruction.

Garrett Bobby Ferguson

Garrett Bobby Ferguson Sr. (GBF Sr.) (voiced by Sam Marin) is a giant floating head from outer space who is based on the video gamer Billy Mitchell. He first appeared in the episode "High Score" and at one point was the universal record holder for an arcade game called "Broken Bonez" before exploded in a fit of rage when Mordecai and Rigby beat his high score. In the episode "Exit 9B", it was revealed that he had a son who attempted to bring back his father along with other deceased villains to have their revenge, yet The Park workers and their allies managed to send Garrett Bobby Ferguson and the other villains back into the afterlife, taking his son with him. He made a cameo as a pixelated sprite in "Expert or Liar" after Rigby makes it to the final question in the game show Expert or Liar. When Rigby wins the show, he punches the show's host, Bert Coleman, into the GBF clone's mouth, which ultimately kills the host after the GBF clone explodes.

Gene

Gene (voiced by Kurtwood Smith) is Benson's rival who appears to be a green vending machine. He is in charge of a nearby park named East Pines. Gene's first appearance is in the episode "Prankless", which details two separate prank wars to destroy Benson's park for reasons never explained, both of which were thwarted by Muscle Man. He makes a reappearance in the half-hour special "The Christmas Special", but as a protagonist, helping Benson out willingly due to his own love of the holiday of Christmas and it is also revealed that he has a family. He also makes a cameo appearance in the episode "Dodge This", in which he and his workers are a team and compete against Benson's team ("Benson's Ballers"). He made another appearance in "Thomas Fights Back" where he steals the park's statue, but the park gang managed to take back the statue with Thomas's help. Gene makes additional appearances in the episodes "Park Managers Lunch", "The Parkie Awards", and "Chili Cook-Off".

Quillgin

Quillgin (voiced by Thomas Haden Church) is an evil elf who resembles a human being and only appears in the "Regular Show Christmas Special". He made a magical present that was so powerful that it can give people anything they want and only lava could destroy it. However, as he used dark magic as a key component, it also turns people evil and he got so angry that he tried to use it to end Christmas forever and kill Santa, but it fails when Santa reveals to be wearing a bulletproof vest and steals the present from Quillgin. After Santa, the park gang, and the rival park team up, Mordecai and Rigby attempt to destroy the present by throwing it into the East Pines lava pit. Quillgin fights Mordecai and Rigby for present while falling in the volcano and was killed after landing into the lava pit with the magical present.

Susan

Susan (voiced by April Stewart) was a former Park manager and appeared in "Benson Be Gone". When she got angry at the employees, she turned into a giant and was killed by a hobo named Leon. She returns in "Exit 9B" as one of the many villains that GBF Jr. revives. She only appears as her giant counterpart and fought against the baby ducks in their giant form.

Chong

Chong (voiced by Sam Marin) is the antagonist in "Stick Hockey". He is Benson's nemesis since he chopped the head of Benson's apprentice, Dave, ten years ago. Whenever somebody lost to him, he would chop off their heads or other body parts. In the end, he lost to Benson.

Capicola Gang

The Capicola Gang is a group of evil anthropomorphic animatronic animals from The Fun Fun Zone, a restaurant that became corrupted after The Park workers won a pair of fuzzy dice (which, unknown to them, had diamonds in them) for Pops' birthday in the episode "Fuzzy Dice". They attempted to escape with the dice when the park workers won them, which leads to a car chase to the harbor. After Louie exposes their crime, they attempted to kill them to take back the dice only for them to be destroyed by the FBI. They reappear in the episode "Steak Me Amadeus", in which it is revealed that they survived the battle and plotted revenge on the park workers for foiling their evil crime and sold fake Amadeus Dollars to Pops, which Mordecai used to pay for a date with Margaret at the titular restaurant. They appear at the same restaurant and are taken into custody for giving away the fake Amadeus Dollars and beginning a gun battle between them, the park workers, and two FBI agents until the restaurant's owner shoots grenades at them, destroying them for good.

Capicola Gang Leader

The Capicola Gang Leader (voiced by John Cygan) is an unnamed robot bear who is the leader of the Capicola Gang. He was destroyed by Amadeus Martinez in "Steak Me Amadeus" with a bazooka.

Louie

Louie (voiced by Mark Hamill) is a robot beaver who is a member of the Capicola Gang. He was destroyed by Amadeus Martinez in "Steak Me Amadeus" with a bazooka.

Duck

The Duck (voiced by Dawnn Lewis) is an unnamed robot duck who is a member of the Capicola Gang. She was destroyed by Amadeus Martinez in "Steak Me Amadeus" with a bazooka.

Klorgbane the Destroyer

Klorgbane the Destroyer (voiced by Troy Baker) is Skips' main rival who has appeared in "Fists of Justice" and "Skips' Story". He went to school with Skips (under his name Walks) and was the Guardians of Eternal Youth's evil brother. When Walks decided to defeat him, the Guardians and Gary made the Fists of Justice, immortal gauntlets powerful enough to defeat Klorgbane. In their first fight, Klorgbane killed Mona, Walks' girlfriend. He returned in "Fists of Justice" and was defeated by Mordecai and Rigby because Skips was injured. During the fight, one of the guardians was killed.

GBF Jr.

GBF Jr. (Garret Bobby Ferguson Jr.) (Voiced by Roger Craig Smith) is the main villain in "Exit 9B". He is the son of video gamer Garrett Bobby Ferguson, posing as a Contractor to turn the Park into a highway for the purpose of invoking a summon spell to bring his father and other villains Mordecai and Rigby killed back from the afterlife. But after the villains are sent back through portal they emerge from, GBF Jr. self-destructs after being shunned by his father.

Natalia

Natalia "Natalie" (voiced by Laura Bailey) is the main antagonist of "The Real Thomas" and a Russian agent like Thomas. Under the alias of a preschool teacher, she dates Benson when her group have begun the final phase of their plan. However, to Thomas' shock, Natalia reveals their goal to destroy the park and intended to have park gang killed. But Thomas helps his friends save the park while Natalia is assumed dead after being swallowed by a whale after being knocked from the helicopter to the ocean below.

Jackie Carmichael

Jackie Carmichael (voiced by Jennifer Hale) is a lady cyborg from the future who disguises as a sweet young lady. She first appeared in 'Family Barbeque' when she was trying to convince Frank (Margaret's father) to place her as his best person. She later appeared as a news woman working in Frank's news company. Her true identity was eventually revealed to Margaret, battling to see who gets a free weekly statement. But although her physical body was destroyed by a bullet, her virus continued progressing at the end of the episode.

Internet/Streaming

Internet (voiced by Roger Craig Smith (as Internet) and Keith David (as Streaming)) is a Wi-Fi computer robot created by DVD to seek revenge against his father. After they kill Betamax and Floppy Disc, Internet betrays DVD and kills his father when they try to reconcile. The Disc Masters were able to defeat Internet by destroying the communication tower powering him. However, Internet survives and vows to return. When the park gang travel to Planet Nielsen to find the Seer, they discover it is under Internet's control (who now has a newly upgraded body and is renamed Streaming) and they fight their way through Nielsen against Streaming and his stream box minions with the help from HD-DVD, Blu-Ray, Reel-to-Reel, and Black-and-White. Although the park gang, HD-DVD, and Blu-Ray manage to escape, Reel-to-Reel and Black-and-White are killed by Streaming. In the final season finale, he assists Anti-Pops and his henchmen in the fight between Pops and the park gang and upgrades himself to a more powerful form, but is defeated.

VHS Robot

The VHS Robot is VHS player-headed robot created by the Ancient Order of the VHS to help destroy the last laserdisc player. After it kills 8-track, it is destroyed by the Laserdisc Guardian.

Mr. Ross

Mr. Ross (voiced by Jason Mantzoukas) is the main antagonist of "Regular Show: The Movie". He was the volleyball coach and science teacher at Mordecai and Rigby's high school. When Rigby screws up the school's chance to win the state volleyball championship, Ross plans an elaborate revenge plot to make a time machine to win the championship, and get revenge on Rigby. It is revealed that the reason why Rigby screw Mr. Ross' school volleyball team from winning the match, was originally meant to teach his bully, Gymblonski a lesson, as Ross was not aware of Gymblonski's bullying nature. When Rigby tells his younger-self not to repeat his past mistake for unintentionally turned Mr. Ross into a villain, even Mordecai changes side in the future without telling his reason why he ruined Mr. Ross' game, the younger Mr. Ross is relieved to hear the younger Rigby's apologizes and his reasons for this before being sent to jail, retconning the fate of Mr. Ross and Mordecai's future. He is seen in the same cell as Doug when the park is suddenly sent to space.

Other characters

Muscle Bro

John "Muscle Bro" Sorenstein (voiced by Steven Blum) is a truck driver who is also Muscle Man's brother. He's made appearances in "My Mom", "Trucker Hall of Fame" (once before his father's funeral,and one during a flashback sequence), "Trailer Trashed", "The End of Muscle Man", and in "Terror Tales of the Park IV".

Muscle Dad

Muscle Dad Sorenstein (voiced by Fred Tatasciore) is Muscle Man's deceased father who died after unloading a box on to a bear by accident. He made post-death appearances in the episodes "Trucker Hall of Fame" and "The Thanksgiving Special". He also appears in "Power Tower".

Quinten "Quips" Quippinger

Quinten Q. "Quips" Quippinger (voiced by Matt Price) is Skips's cousin who appeared in "Quips" and "Bachelor Party! Zingo!". He is also engaged.

The Cart

Hecho En "the Alive Golf Cart" Mexico (voiced by Toby Jones), is the golf cart Mordecai and Rigby use as their way of transportation. His most distinctive appearance was when Mordecai and Rigby accidentally bring him to life while having to replace him. After doing many activities, Cart dives into sea with fireworks firing from his trunk as a final activity to do before going to the dump. After finding out he was going to stay, Mordecai and Rigby fished him out and drove him back. After these events, Cart could no longer speak.

The F.E. (Chuck)

Chuck the F.E.(/Iron) Stomach (voiced by Roger Craig Smith) was the villain who appeared in "Weekend at Benson's". He is Audrey's ex-boyfriend and the creator of the Mississippi Queen, a spicy cocktail drink.

Muscle Mom

Muscle Mom Sorenstein (voiced by Edie McClurg) is a character who is constantly referenced in many of Muscle Man's jokes. Her first appearance is in "Terror Tales of the Park IV".

Matchmaker McIntyre

Matchmaker McIntyre (voiced by William Salyers) is the CEO of Couple Corral.com and is the main villain in "Real Date". After going bankrupt due to no one ever signing up for Couple Corral, he tried to get Mordecai to dump CJ. After many attempts to split them up, McIntyre confronts them near the docks in his submarine. After firing a bazooka at Mordecai (who jumped in the way to protect CJ), CJ turns into her storm cloud form, like she did in "Yes Dude Yes" and strikes McIntyre's car which was parked near the beach. McIntyre's horned hood ornament shoots at the blimp above McIntyre and plummets right into his sub, killing McIntyre for good. Unbeknownst to him, Mordecai survived the blast thanks to a gift box that he had.

John

John (voiced by Roger Craig Smith) is Margaret's cousin who has a prosthetic leg. He appears in "Yes Dude Yes" and "Family BBQ".

Party Pete

Peter "Party Pete" Hermanverfal (voiced by Jeff Bennett) is the antagonist of the episode "Party Pete" and is a dueter-protagonist in "Party Re-Pete". He is invited by Mordecai and Rigby to spice up their party. After learning Benson was returning to the park, Mordecai and Rigby tried to stop Party Pete, who was hopped up on Radi-Cola. Eventually, Mordecai and Rigby stuff him with so much cola that he explodes to death just before Benson arrives. It is revealed that Pete (actually named "Peter Hermanverfal") was one of the many people to be captured by Party Planners and be cloned for parties, meaning that the Party Pete that died was only a clone.

The Staff of Bistro in Le Park and the Maitre'd

The entire Staff of Bistro in Le Park work at the park's esteemed restaurant Bistro in Le Park and are seen a couple of times in the show. Their most significant appearance is when Muscle Man meets Starla's parents, Herb Herbert and Rose Guttsmandoittor. After learning that Muscle Man was faking being fancy, the Maitre'd (voiced by Roger Craig Smith) and the staff tried to kill Muscle Man, Rigby, Mordecai, and the Guttsmandoittors. Eventually their leader, the Maitre'd, is killed by Muscle Man, who trips him and causes him to fall out a window onto a car. They all re-appear as a stage in the online game "Fist Punch", where the staff serve as henchmen and the Maitre'd as a boss.

The Duck Collector

The Duck Collector (voiced by Julian Holloway) is the main villain in "A Bunch Of Baby Ducks" who offers to buy the ducks from Mordecai and Rigby, only for them to turn down his offer on the account of being too creepy .He eventually steals them and is pursued by the duo and the ducks' mother. After Mordecai and the mother duck are knocked unconscious during the fight, the Collector tries to kill Rigby using a military sword. Enraged, the Baby Ducks defend their surrogate father by turning into a Duck Man. They then chopped the Collector in two, killing him instantly. He is one of the numerous villains to be revived in "Exit 9B" but is once again chopped in two by the Ducks. He is the main villain in the online game "Winging It" in the game's story mode.

Mona

Desdamona, or Mona for short (voiced by Grey DeLisle), was Skips' girlfriend who knew him in the 1800s under his former name Walks. She appeared in "Diary", "Exit 9B", and had a major role in "Skips' Story". When Walks transferred to her school, she heard his plans of trying to defeat Klorgbane and tried to keep her distance from him. Eventually, the two become a couple, only for Klorgbane to accidentally kill her in a fight he was having with Walks.

Ybgir

Ybgir (vocal effects provided by Roger Craig Smith) is Rigby's negative counterpart who appears in "Dizzy" and "Jinx". In "Dizzy", Ybgir (along with Mordecai's doppelganger Iacedrom) are the mayors of the Dizzy World and have set a law that no speeches are to be presented before the citizens. After Pops gives speech to Mordecai and Rigby about not wanting to leave the Dizzy World, Ybgir and Iacedrom then try to kill them for breaking the only law. Ybgir returns as a demon in "Jinxed" after Rigby tries to break his jinx. When Rigby tries to follow Muscle Man's instructions to un-jinx himself on his own he releases Ybgir from a bathroom mirror. Rigby and Mordecai must then try to stop Ybgir from turning the entire city into zombies. They eventually un-jinx Ybgir, which sends him back to the mirror, defeating him until he returns.

Musical Villains

The following characters are villains who are also professional or small-time performers.

The CrewCrew

Led by the gang-banging Alpha-Dog (voiced by Donald Glover), the CrewCrew (other numbers voiced by Tyler, The Creator and MC Lyte) were rappers who tried to out-rap Pops.

The Summertime Song

The Summertime Song (voiced by Sean Szeles) is a living tape with the song Summertime Lovin', Lovin' in the Summer(Time) on it. After coming to life and brutally annoying the park gang, Mordecai,Rigby, Skips, and the rest come up with an even catchier song and destroy the tape for good. The Summertime Song returns in "Exit 9B" thanks to GBF Jr. reviving him.

Future Mordecai and Rigby

Future Mordecai and Rigby (voiced by J. G. Quintel and William Salyers) are the main villains in "Mordecai and the Rigbys". When Mordecai and Rigby try to perform on Open Mic-Night at the Coffee Shop, their future selves come and try to coach them. It is revealed that they had them lip-sync, telling them that it made them money and made them famous. After the present Mordecai and Rigby shut down their band, their future selves disappear, never to exist again. It is unknown why they did not get revived in "Exit 9B".

Coffee Bean and the Translator

The Coffee Bean (voiced by S. Scott Bullock in the first appearance, Sam Marin in later appearances) is, as his name states, an anthrophomorphic coffee bean. He can only say the word, "coffee", which is why he is followed by an Asian man (voiced by Mark Hamill) known as the Translator. They are first seen in "Caffinated Concert Tickets", where they are in line to get tickets for the Fist Pump reunion concert. After over-hearing Mordecai and Rigby's plan to put more time in at work, the duo show up with a contract that Rigby immediately signs for both of them. After forgetting to buy Coffee Bean and the Translator's tickets, they are put under by chamomile tea, "the sleepiest of all teas", and awake to find that the duo have stolen their tickets. After reclaiming their tickets, Mordecai and Rigby enter the concert hall, ditching Coffee Bean and Translator. They return in "Brain Freeze", this time the Coffee Bean resembling a Brain Freezer drink, and the Translator resembling an Asian eskimo. In an attempt to take over Thomas' brain, Mordecai and Rigby stop them and melt them, killing them for good.

The Eggscellent Knight

The Eggscellent Knight (voiced by Jeff Bennett) is a character who first appeared in "Eggscellent", where he protected the Eggscellent Hat. He also appeared later in "Gamers Never Say Die", as the guardian of a golden game stamp. He once again appears in "Garage Door" as an employee of Hardware Emporium. He is a parody of the knight from "Indiana Jones and the Last Crusade".