Sid is Stimpy's pet clown who only appears in the episode "Stimpy's Pet." Trivia Edit Sid is voiced by Phil Hartman, who died in 1998. His voice sounds like Jack Nicholson. Despite being clearly male, he somehow gave birth to a litter of clown puppies. Retrieved from "https://renandstimpy.fandom.com/wiki/Sid?oldid=21771" Categories: Males Characters Villains One-Time Characters Community content is available under CC-BY-SA unless otherwise noted.