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) the Goose disappeared from the tree. When Don Rosa created his Duck Family Tree, he used Luke Goose (removing "the" from his name) and made him the husband of Fanny Coot and Gus Goose's father. Gus Goose is Donald Duck's second cousin, and the great-nephew of Grandma Duck. He debuted on 9 May 1938 in Al Taliaferro and Bob Karp's newspaper comic based on Donald, before making an animated appearance in the 1939 short "Donald's Cousin Gus". Gus's main personality traits are laziness and gluttony. Within Disney comics, Gus is usually shown living as a farmhand on Grandma Duck's farm