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 people to create animal sounds for his cartoons. Disney was particularly impressed with Nash's duck imitation and chose him to voice the new character. Besides, during that period Mickey Mouse had lost some of his edge since becoming a role model towards children, and so Disney wanted to create a character to portray some of the more negative character traits that could no longer be bestowed on Mickey. Disney came up with Donald's iconic attributes including his short-temper and his sailor suit (based on ducks and sailors both being associated with water). While Dick Huemer and Art Babbit were first