This is a list of all of Butters Stotch's alter egos and other costumes.
Main Alter Egos
These are alter egos that have appeared in more than one episode.
Professor Chaos
- Main article: Professor Chaos (character)
Professor Chaos is the supervillain alter ego of Butters Stotch, first appearing in "Professor Chaos".
Paladin Butters
Paladin Butters is the fantasy alter ego of Butters, first appearing in "Black Friday".
Pajamas Butters
Pajamas Butters is Butters appearence in his sleepwear, first appearing in "Hell on Earth 2006".
Alter Egos from Season Three
Charlie's Angels Butters
Charlie's Angels Butters was an alter ego from "Two Guys Naked in a Hot Tub".
Confederate Butters
Confederate Butters was an alter ego from "The Red Badge of Gayness".
Alter Egos from Season Four
Mechanic Butters
Mechanic Butters was an alter ego from "The Wacky Molestation Adventure".
Get Well Card Butters
Get Well Card Butters was an alter ego from "Cherokee Hair Tampons".
Alter Egos from Season Five
Picture Day Butters
Picture Day Butters was an alter ego from "How to Eat with Your Butt".
Scout Butters
Scout Butters was an alter ego from "Cripple Fight".
Blaintologist Butters
Blaintologist Butters was an alter ego from "Super Best Friends".
Bath House Butters
Bath House Butters was an alter ego from "Butters' Very Own Episode".
Undercover Butters
Undercover Butters was an alter ego from "Butters' Very Own Episode".
Inspector Butters
Inpector Butters was an alter ego from "Butters' Very Own Episode".
STD Fighter Butters
STD Fighter Butters was an alter ego from "Proper Condom Use".
Alter Egos from Season Six
Fat Butters
Fat Butters was an alter ego from "Jared Has Aides".
Skier Butters
Skier Butters was an alter ego from "Asspen".
Gollum Butters
Gollum Butters was an alter ego from "The Return of the Fellowship of the Ring to the Two Towers".
Boy with Balls on Chin
Boy with Balls on Chin was an alter ego from "Freak Strike".
Alter Egos from Season Seven
Metrosexual Butters
Metrosexual Butters was an alter ego from "South Park is Gay!".
Faith + 1 Butters
Faith + 1 Butters was an alter ego from "Christian Rock Hard".
Survivor Butters
Survivor Butters was an alter ego from "Casa Bonita".
Alter Egos from Season Eight
Mr. Biggles
Mr. Biggles was an alter ego from "Stupid Spoiled Whore Video Playset".
Dog Butters
Dog Butters was an alter ego from "Good Times with Weapons".
Sexy Action Butters
Sexy Action Butters was an alter ego from "Quest for Ratings".
Pre-School Butters
Pre-School Butters was an alter ego from "Pre-School".
Tap Dancer Butters
Tap Dancer Butters was an alter ego from "You Got F'd in the A".
Alter Egos from Season Nine
Marjorine
Marjorine was an alter ego from "Marjorine".
Alter Egos from Season Ten
Alter Egos from Season Eleven
Number 11 Butters
Number 11 Butters was an alter ego from "The List".
Alter Egos from Season Twelve
Squirel Butters
Squirel Butters was an alter ego from "Britney's New Look".
What What in the Butt Butters
What What in the Butt Butters was an alter ego from "Canada on Strike".
Alter Egos from Season Thirteen
Qeef Victim Butters
Qeef Victim Butters was an alter ego from "Eat, Pray, Queef".
Bike-Curious Butters
Bike-Curious Butters was an alter ego from "The F Word".
Pirate Butters
Pirate Butters was an alter ego from "Fatbeard".
Wrestler in Training Butters
Wrestler in Training Butters was an alter ego from "W.T.F.".
Bad Economy Butters
Bad Economy Butters was an alter ego from "Margaritaville".