Daisy Duck Once Upon a Christmas", "Mickey's Twice Upon a Christmas", and "". According to the unofficial timeline of Don Rosa, Daisy was born in 1920. According to Rosa, Daisy is the sister of Donald's brother-in-law – Daisy's brother had married Donald's twin sister, Della Duck, and together, the two became the parents of Huey, Dewey, and Louie Duck. This is his explanation of why the triplets tend to call her "Aunt Daisy" while no such courtesy is given to Gladstone Gander for example. Don Rosa has said that he considers Donald and Daisy to be nonrelated and that Duck simply is
Donald Duck U.S. Army during World War II that culminated with him serving as a commando in the film "Commando Duck", and he was frequently away serving in the U.S. Navy in the television cartoon series "DuckTales". Throughout his career, Donald has shown that he's jealous of Mickey and wants his job as Disney's greatest star, similar to the Bugs Bunny and Daffy Duck rivalry. In most Disney theatrical cartoons, Mickey and Donald are shown as friends and have little to no rivalry (exceptions being "The Band Concert," "Magician Mickey" and near the end of "Symphony Hour, "which were due to Donald's