Randolph Severn "Trey" Parker III is an American actor, animator, writer, director, producer, singer, and songwriter. He is known for co-creating South Park along with his creative partner Matt Stone, as well as co-writing and co-directing the Tony Award-winning musical The Book of Mormon. Parker was interested in film and music as a child, and attended the University of Colorado, Boulder following high school, where he met Stone. The two collaborated on various short films, and starred in a feature-length musical, titled Cannibal!