Mickey Mouse universe to Duckburg, the city in which Donald Duck lives (see Donald Duck universe). According to traditional continuity, both cities are located in the fictional U.S. state of Calisota – analogous to Northern California. The most consistent aspect of the Mickey Mouse universe is the characters. The most well-known include Mickey's girlfriend Minnie, pet dog Pluto, friends Horace Horsecollar, Clarabelle Cow, Donald Duck, Daisy Duck and Goofy, and nemesis Pete. Some Disney productions incorporate characters from Disney's animated feature films, such as "Bath Day" (1946; in which Figaro from "Pinocchio" appears as Minnie's cat), "Mickey's Christmas Carol" (1983), and – most
Donald Duck universe of California, in which the fictional state of Calisota is located according to Don Rosa, was a Unionist state, making Duckburg a more likely member of the Union. Duckburg remained a quiet, small town until the arrival of wealthy businessman Scrooge McDuck. He had bought the old fort and the hill from fellow prospector Casey Coot, a descendant of Cornelius Coot, during the Klondike Gold Rush in 1899. Scrooge proceeded to construct his famous Money Bin on the location, which would eventually cause McDuck an incredible variety of problems and dilemmas. The first one was caused by the Junior Woodchucks,