She was designed as a "flapper" girl and first appeared with Mickey in Plane Crazy in 1928. Since then she has been co-starring with Mickey Mouse, Pluto, and Figaro, Minnie's own cat who debuted in Pinocchio. In Mickey Mouse Works she finally appeared in her own segments. In House of Mouse she kept track of the bills. She starred in a television special called Totally Minnie and she also appeared in a line of merchandise called "Minnie n Me".
In early Mickey Mouse comic strips, she had a father named Marcus Mouse.