Trey Parker
as Stan Marsh / Eric Cartman / Gregory / Satan / Mr. Garrison / Mr. Hat / Phillip Niles Argyle / Randy Marsh / Clyde Donovan / Tom - News Reporter / Midget In A Bikini / Canadian Ambassador / Bombardiers / Mr. Mackey / Army General / Ned Gerblanski / Christophe - Ze Mole (or The Mole) / Big Gay Al (singing) / Adolf Hitler / Additional Voices (voice)
Voiced characters including Stan Marsh, Eric Cartman, and Big Gay Al.
#3
Most popular actor on South Park: Bigger, Longer & Uncut
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