http://www.marshu.com/articles/south-park-voices.php
Matt Stone
You'll find that Trey Parker and Matt Stone do almost every voice on South Park, with the exception of Token, Chef and most females.
Kenny when his voice is muffled, is voiced by Matt Stone. However in the movie "South Park Bigger Better and Uncut" when Kenny speaks unmuffled at the end he is voiced by Mike Judge, during the seasons after whenever he spoke unmuffled he was voiced by Eric Stough.
Matt Stone
Trey Parker and Matt Stone
For cartoons there is no director just the creators and the creators of South Park are Trey Parker and Matt Stone. Also, both are part of the main characters along with Isaac Hayes.
Matt Stone and Trey Parker
Trey Parker and Matt Stone.
he is voiced by Matt stone
He does a lot of voices, both main and supporting and some random extras. Some of the voices he does are... Kyle Kenny Bradley Biggle Gerald Broflovski Stuart McCormick Craig Tucker Butters Stotch Pip Kevin Stoley Big Gay Al Etc.
south park
They are the co-producers of South Park.