Horace Horsecollar star of the cartoon. In his earliest incarnation, Horace was presented as Mickey Mouse's four-legged plow horse. He could walk upright on his hind legs, at which time his forelegs became gloved hands; at other times, he got back down on all fours and reverted to form. Horace mostly played bit-parts in the 30+ films in which he appeared. Like Goofy in his early "Dippy Dawg" appearances, Horace's body seemed to be formed of rubber tubing. He and Clarabelle Cow had an uncanny ability to change from somewhat normal farmyard animals into anthropomorphized beings as necessary. After departing the Disney
Pete (Disney) new protagonist Mickey Mouse. Originally called "Terrible Tom", the villain was named "Pegleg Pete" by 1930 as the Disney crew felt that he was essentially a continuation of their earlier villain, albeit a different species. Animator Norm Ferguson, known for developing Pluto, also developed Pete's character in several shorts and he was made to resemble actor Wallace Beery. Pete appeared as Mickey's enemy beginning with the cartoons "The Gallopin' Gaucho" and "Steamboat Willie". In the cartoons of the 1930s, Pete would be Mickey Mouse's nemesis, but would vary in professions, from an all-out outlaw ("Gallopin' Gaucho" and the cartoon within