- For other uses, see List of Minor Characters.
- Main article: Alanis Morissette
America's Most Wanted Actors
- Main article: America's Most Wanted Actors
America's Most Wanted Actors are a group of actors that reenacted the shooting of Dr. Alphonse Mephesto in "Cartman's Mom is Still a Dirty Slut". While doing the reenactment, there was a snowstorm and, due to there being no food, they were all eaten.
Big Black Scary Monster
- Main article: Big Black Scary Monster
Bob Denver is an actor best known for playing Gilligan on Gilligan's Island. He appeared in the episode "The Mexican Staring Frog of Southern Sri Lanka" as a guest on the talk show Jesus and Pals. Unfortunately, Jesus has nothing to talk about with him.
Book Mobile Driver
- Main article: Book Mobile Driver
The Bookmobile driver ran the The Booktastic Bus that appeared in the episode "Chickenlover". He begins molesting chickens as part of an elaborate scheme to get Officer Barbrady to learn to read. He is killed at the end of the episode.
Boy with Red Shirt
- Main article: Boy with Red Shirt
The Boy with Red Shirt only had one appearance, in the South Park episode "City on the Edge of Forever (Flashbacks)" where he appeared in Cartman's dream. When the bus was stranded, he left the bus because he didn't want to die with the rest of the students and promised to send help if he survived. However, he got killed by the Big Black Scary Monster.
- Main article: Buck
- Main article: Buck Jr.
Buddy Ebsen is an actor best known for his role as Jed Clampett in The Beverly Hillbillies. During the 1970s he starred in a detective series as Barnaby Jones. He appeared as the character in the episode "Roger Ebert Should Lay off the Fatty Foods". In this episode, Mr. Garrison had been showing his class Barnaby Jones reruns for the past 8 days.
- Main article: Calvin
- Main article: Canadian Judge
- Main article: Carrot Top
- Main article: Celine Dion
Celine Dion is a Canadian pop-star. She appears in the episode "Terrance and Phillip in Not Without My Anus". She is revealed to be the ex-wife of Terrance, and the mother of his daughter Sally. According to the credits in the episode she is voiced by Trey Parker. She has recently started an affair with Ugly Bob, whom she has never seen without a bag over his head. After Terrancerescues their daughter he wants to get back together with her. He reveals Ugly Bob's true face to her. However she decides to stay with Ugly Bob on condition that he always wear the bag on his head. At the end of the episode she discovers that she is pregnant with him, with a child they both hope will look like her.
- Main article: Charlie Manson
Charlie Manson is a famous criminal who appeared in "Merry Christmas Charlie Manson!" when he breaks out of jail with Cartman's Uncle Howard, and they make their way to Mabel Cartman's house to hide out.
- Main article: Dr. Schwartz
- Main article: Dr. Katz
Dr. Tristan Adams
- Main article: Dr. Tristan Adams
Dwight Schultz appeared in the episode "Ike's Wee Wee" as his character "Howling Mad" Murdock from The A-Team. In the episode, The A-Team (also featuring George Peppard as Col. John "Hannibal" Smith and Mr. T as B.A. Baracus) is brought in to forcefully bring Mr. Mackey to rehab.
- Main article: Elvin Cartman
Elvin Cartman is Cartman's cousin. Elvin wears red shoes, has dark brown hair, and is almost always seen holding or eating a fudgesicle, with chocolate smeared on his face. In the episode "Merry Christmas Charlie Manson!", when he finally finished his ice cream he began crying (given he's a Cartman he probably just wanted another one), annoying Cartman making him hit him in the back of the head, causing his eyes to go strangely blank and cross-eyed.
- Main article: Eric Roberts
Eric Roberts appeared in the episode, "Cartman's Mom is Still a Dirty Slut", as an actor in the America's Most Wanted reenactment playing the part of Kevin Mephesto. To the crew's annoyance, Eric improvises his own lines as the reenactment is being filmed, as Kevin is known to be a silent character. When the power goes out, Eric is snowed in along with everybody else who participated in the reenactment. Jimbo Kern suggests that they resort to cannibalism so that the majority of them may survive the ongoing snowstorm outside. Despite their initial reluctance to resort to this absurd plan, they all agree to eat Eric Roberts, as "nobody gives a shit about Eric Roberts".
The Evil Boys
- Main article: The Evil Boys
- Main article: Flo Kimble
Flo Kimble was Sharon Marsh's aunt who only appeared in the episode "Spookyfish". She visits the Marsh residence once a month. She gave Stan an evil goldfish that killed numerous people, including Aunt Flo herself.
- Main article: Freeda
Freeda is a prostitute who appears in the episode "Chickenpox". The boys want to get revenge on their parents for purposely giving them chickenpox, so they go to Freeda, based on mistaken advice from Chef. After paying her $10, Freeda spreads her germs all over the parent's personal items, giving them herpes.
- For other uses, see George (disambiguation).
George Peppard appeared in the episode, "Ike's Wee Wee" as his character Col. John "Hannibal" Smith from the 1980s TV show The A-Team. In the episode, The A-Team (also featuring Mr. T as B.A. Baracus and Dwight Schultz as "Howling Mad" Murdock) are brought in to forcefully bring Mr. Mackey to rehab.
- Main article: Johnnie Cochran
- Main article: Larry ("Prehistoric Ice Man")
Larry appeared in "Prehistoric Ice Man". He was frozen in 1996, and found by Stan and Kyle in 1999.
- Main article: [[Leslie ("Prehistoric Ice Man")]]
Leslie appeared in "Prehistoric Ice Man" as Larry's ex-wife, who remarried when he went missing.
- Main article: Murrey Broflovski
Mr. Big Record Producer
- Main article: Mr. Big Record Producer
Mr. Big Record Producer is a record producer and the antagonist in the episode "Chef Aid".
- Main article: Mr. Twig
- Main article: Nurse Gollum
Nurse Gollum is the school nurse at South Park Elementary. A distinguishable feature about her is the fact that she has a dead fetus attached to her head, which the students find terrifying. In her first appearance, "Conjoined Fetus Lady", she is revealed to suffer from the (fictional) condition "conjoined twin myslexia". Sheila Broflovski asked her if it could be surgically removed, and she said that this could be done, but at the cost of her dying.
- Main article: Ozzy Osbourne
- Main article: Peter
- Main article: Robert Redford
Robert Redford is an actor who creates the South Park Film Festival in "Chef's Chocolate Salty Balls".
- Main article: Roy
Roy was Sharon's new boyfriend after she divorced Randy in the episode "Clubhouses". She stayed with him until she dared Randy to have sex with her and they make up. After meeting Stan, he immediately tried to take on the role of his father. He often tells Stan to chop firewood after these incidences, so much that Stan stated they had enough for a whole year. He was last seen hanging from a rope trap Stan set up.
The runaway girls, both unnamed, were two sixteen-year-old high school students who were prominent in "Clubhouses". Under orders of Cartman, Kenny invites them to the clubhouse in hopes to play truth or dare with them. In an act of defiance towards their parents, they agree to squat in their clubhouse. Cartman tries relating to them, going as far as to feign machismo. This front is later revealed to be false after he sheepishly listens to an order hollered out to him by his mother. Later that night, the girls and their boyfriends throw a party inside the clubhouse which soon turns uncontrollably boisterous. They later reveal that neither of them ever had any interest in truth or dare.
- Main article: Spookyfish (character)
- Main article: Steve Irwin
- Main article: Tiny Alien
Tiny Alien briefly appears at the start of "Spookyfish" where it is knocked down by the school bus.
- Main article: Tommy Fritz
- Main article: Ugly Bob
Ugly Bob is a Canadian who appears in the episode "Terrance and Phillip in Not Without My Anus". He is considered by the other Canadians to be hideously ugly, although due to the way he is animated, the audience can never know why.
He apparently has a face which looks as if "somebody tried to put out a forest fire with a screwdriver". He wears green trousers with an orange long-sleeved shirt. His shirt, like Terrance, Phillip, and Scott's shirts, has his name's first initial embroidered on it, but his is in lower case writing, for unexplained reasons. Upon Terrance and Phillip's advice, he wears a paper bag over his head.
- Main article: Underpants Gnomes
Underpants Gnomes are fictional beings that travel the world stealing underpants. They appear in the episode "Gnomes".
- Main article: Van Gelder
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