Before the year 2000, The Ren & Stimpy Show was created.
John Kricfalusi . After being fired from The Ren & Stimpy Show by Nickelodeon in 1992 , Kricfalusi went on to direct and produce animated television commercials for multiple products and music videos for entertainers such as the singer Björk and comedy rock duo Tenacious D . The Ren & Stimpy Show , often simply called Ren & Stimpy , is an American children 's / adult animated television series created by John Kricfalusi for Nickelodeon .