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 universe organized by a company producing oolated squiggs, where the grand prize was an ocean liner cruise. Donald won the grand prize and Gladstone won a year's supply of oolated squiggs. Donald Duck universe The Donald Duck universe is a fictional shared universe which is the setting of stories involving Disney cartoon character Donald Duck, as well as Daisy Duck, Huey, Dewey, and Louie, Scrooge McDuck, and many other characters. The world is a part of the Mickey Mouse universe, but is more detailed. Life in the Donald Duck universe centers on the city of Duckburg, usually located in the fictional