Ruffus the Dog is a Canadian children's television series which aired on YTV from 1998 to 1999; it was created by Robert Mills, who performs the title character, and developed with Cheryl Wagner. The show was produced through Radical Sheep Productions, a company founded by Mills in 1985 that also created The Big Comfy Couch. The Ruffus character had previously appeared in the educational video series The Adventures of Ruffus & Andy in the early 1990s, as produced by the Credit Valley Hospital in Mississauga, Ontario, where Ruffus and his owner Andy learned medical lessons.