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
Duck family (Disney) and an unnamed father. Phooey Duck is a tongue-in-cheek name for a non-existent fourth nephew of Donald Duck who was sometimes drawn by accident. The name was coined by Disney comic editor Bob Foster. "Aw, phooey" is also one of Donald's catch phrases. Dugan Duck is Fethry Duck's nephew who is a little bit younger than Huey, Dewey and Louie. According to the Brazilian comic story "O Nascimento Do Biquinho", he is the first nephew of Fethry, being son of his sister, who lives in the periphery of Duckburg. Dugan originally owned yellow feathers, an uncommon characteristic for Disney Ducks