Original: Trey Parker ( born Randolph Severn Parker III on October 19 , 1969 ) is an American animator , screenwriter , director , producer , voice artist , musician and actor , best known for being the co-creator of South Park along with creative partner and best friend Matt Stone .
Simplified: Randolph Severn '' Trey '' Parker III ( born October 19 , 1969 ) is an American animator , screenwriter , film director , voice actor , actor , musician and Academy Award nominated lyricist .