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)
Chet Martin Chet Martin (uncredited) Chet Martin (uncredited) See fewer	Time Warped (1995)
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)