Name	Known for
Dian Bachar Jeffy / Homo Erectus Jeffy / Homo Erectus See fewer	Nightmare Alley (2021)
Vanessa Vanessa / Jul Vanessa / Jul See fewer	Time Warped (1995)
Ian Hardin Ian / Father Ian / Father See fewer	Cannibal! The Musical (1993)
Toddy Walters Toddy / Homo Erectus Toddy / Homo Erectus See fewer	South Park: Bigger, Longer & Uncut (1999)
Matt Stone Carlos / Rom Carlos / Rom See fewer	South Park (1997)
Brock DeShane Australopithecus (uncredited) Australopithecus (uncredited) See fewer	Stop-Motion
Cheery Fields Cave Woman (uncredited) Cave Woman (uncredited) See fewer	Time Warped (1995)
Jessica James Kelly Tiny Tim (uncredited) Tiny Tim (uncredited) See fewer	Cannibal! The Musical (1993)
Chet Martin Chet Martin (uncredited) Chet Martin (uncredited) See fewer	Fear Thy Neighbor (2014)
Trey Parker Announcer / Marc / Hippo Voice / Rom's Singing Voice / Duck (uncredited) Announcer / Marc / Hippo Voice / Rom's Singing Voice / Duck (uncredited) See fewer	South Park (1997)