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
Clan McDuck sister of Scrooge McDuck. She has a younger sister named Hortense. In contrast to Scrooge and Hortense's fiery tempers, she usually had a calm demeanor. In 1902 Scrooge returned to Scotland and took both of his sisters with him to go to America. When he established his base in Duckburg, Calisota, United States he left Matilda and Hortense to run his empire from 1902 to 1930. In the meantime he traveled the world expanding his financial empire. In 1930, a conflict with Scrooge ended all relationships between him and his family, and his sisters are believed to have left Duckburg.