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
How to Read Donald Duck of his non-fiction works: "How to Read Donald Duck" and "The Empire's Old Clothes" (1983). According to McClennen, a strength of the former work is its critical analysis of the fictional world inhabited by the Disney characters. The characters in question have formulaic ethics and resolve their problems in simplistic ways. The work critiques the superficial depiction of the world by the Disney comics, and the roles the Third World and the working class play in the stories. "How to Read Donald Duck" analyzes the internal ethical logic of the Disney comics. The writers hoped to unmask the "false innocence"