Clyde Donovan (formerly known as Clyde Goodman and Clyde Harris) is a fictional character in the adult animated television series South Park. He is voiced by series co-creator Trey Parker. Clyde is a student at South Park Elementary School, and is a member of Craig's Gang. He debuted as an unnamed background character in the series premiere "Cartman Gets an Anal Probe" on August 13, 1997, and first spoke in the next episode "Weight Gain 4000".