Minnie Mouse is the deuteragonist an animated, anthropomorphic mouse created by Walt Disney. She is the longtime girlfriend of Mickey Mouse and the best friend of Daisy Duck, known for her sweet disposition, cartoonishly large head bows, and polka-dotted dresses. Inspired by flapper girls of the 1920s, Minnie first appeared in the short Steamboat Willie, released on November 18, 1928.