Kyle Broflovski[a] is a fictional character in the American adult animated sitcom South Park. He is voiced by and loosely based on co-creator Matt Stone. Kyle is one of the series' four central characters, along with his friends Stan Marsh, Kenny McCormick, and Eric Cartman. 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 Stone and long-time collaborator Trey Parker in 1992 (Jesus vs. Frosty)