John Kricfalusi is a Canadian animator, cartoonist, and voice actor best known for creating the influential animated television series The Ren & Stimpy Show. His distinctive, highly expressive, and often grotesque art style broke from the conventions of Saturday-morning cartoons in the early 1990s. Kricfalusi's work is characterized by its manic energy, detailed character expressions, and a revival of classic cartoon sensibilities combined with subversive humor. Despite his impact, his career has been marked by production disputes and later allegations of misconduct.