The Ren & Stimpy Show was an animated book series.
Nicktoons is a canon of animated television series created exclusively for the Nickelodeon channels . Nicktoons ( UK and Ireland ) , British television channel launched in 2002 . The Ren & Stimpy Show , often simply called Ren & Stimpy , is an American children 's / adult animated television series created by John Kricfalusi for Nickelodeon .