Duck family (Disney) strip, Della writes to Donald that the boys had placed a firecracker under their father's chair as a prank and that their father had been sent to the hospital. This was the reason why the boys first showed up at Donald's house. Thereafter the father is generally assumed to have disappeared. In "The Richest Duck in the World", when Scrooge mentions that the few family members he had had disappeared, the boys respond "We know how "that" feels!" Donald's cousin Fethry Duck was created for the Disney Studio Program by Dick Kinney and Al Hubbard and was first used in
Duck family (Disney) a mystery. The character does not appear in any stories, but he did partially appear in the 1993 Duck family tree drawn by Don Rosa. In this illustration, Rosa partially concealed the character's face with a bird. While his first name was also hidden, his last name is revealed to be Duck. His face was fully shown in the unofficial Duck family tree by Mark Worden and first published in several fanzines, which labeled him ? Duck and showed him with a flattop haircut and human-like ears. In Huey, Dewey, and Louie's first appearance in a 1937 "Donald Duck" Sunday