From Wikipedia, the free encyclopedia Matthew Richard "Matt" Stone (born May 26, 1971) is an American screenwriter, producer, voice artist, musician and actor, best known for being the co-creator of South Park along with creative partner and best friend, Trey Parker. Stone started his film career in 1992, making a holiday short titled Jesus vs. Frosty. His first success came from Cannibal! The Musical. From there he made another short title Jesus vs. Santa, leading him and his college friend T