Stanley Marsh is a fictional character in the adult animated television sitcom South Park, created by Trey Parker and Matt Stone. He is voiced by and loosely based on series co-creator Trey Parker. Stan is one of the series' four central characters, along with Kyle Broflovski, Eric Cartman, and Kenny McCormick. He debuted on television when South Park first aired on August 13, 1997, after having first appeared in The Spirit of Christmas shorts created by Parker and long-time collaborator Matt Stone in 1992 and 1995.