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
DuckTales the Movie: Treasure of the Lost Lamp DuckTales the Movie: Treasure of the Lost Lamp DuckTales the Movie: Treasure of the Lost Lamp is a 1990 animated comedy adventure film based on the animated television series "DuckTales". It was released by Walt Disney Pictures on August 3, 1990. The events of the film take place between the third and fourth season of "DuckTales". It was the first Disney animated film to be produced by Disney Television Animation under the banner of Disney MovieToons and animated by Walt Disney Animation France S.A., It was paired with the 1951 Donald Duck short "Dude Duck" for its theatrical release. Scrooge