Question: Ren and Stimpy, created by John Kricfalusi, are the title characters in which American-Canadian animated television series, for Nickelodeon?
Sentence (from "The Ren &amp; Stimpy Show"): The series follows the adventures of title characters Ren, an emotionally unstable chihuahua, and Stimpy, a good-natured, dimwitted cat.
Relevant evidence: No