Pluto (Disney) was originally created as Dippy Dawg" and "was created as a human character, as opposed to Pluto who was a pet, so [Goofy] walked upright and had a speaking voice". This problem was humorously illustrated in the film "Stand By Me" in which one of the boys ponders, "Mickey's a mouse, Donald's a duck, and Pluto's a dog. What's Goofy?" Also in the series "Funniest Pets & People" a dog "mentions" why couldn't he have pants because Goofy was a dog and had pants. There is also an episode of the Disney Channel series "Even Stevens" called "Scrub Day" wherein
Pete (Disney) consistently appearing supporting character to Oswald, and the character continued to appear in that role in the Oswald films directed and produced by Walter Lantz until 1937, making him essentially the only cartoon character at the time to frequently appear in shorts produced by two rival animation studios. His most notable non-Disney appearance was arguably as a captain in "Permanent Wave" (September 29, 1929). Animation historian David Gerstein speculates that when Disney stopped working on the Oswald cartoons for Universal he separated from the character and his cast including Pete. Disney and his team created a cat villain for their