November 18, 1928 officially marks the debut of Mickey Mouse. From day one, he was given a nemesis to contend with. He was not given a rival, however, until 1936.
The short Mickey’s Rival introduced the world to the character of Mortimer Mouse, Mickey’s would-be namesake. Mortimer had little in common with Walt’s alter ego, with two exceptions: his last name, and a romantic interest in Minnie Mouse.
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