Donald Duck and the Gorilla
Donald Duck and the Gorilla is a Donald Duck short adventure disaster and monster film which was originally released in 1944. It stars Donald Duck along with his three nephews; Huey, Dewey and Louie and Ajax, the killer gorilla. The 1930 Mickey Mouse cartoon "The Gorilla Mystery" has a similar plot involving a gorilla named Beppo who captures Minnie Mouse.
Huey, Dewey, and Louie
Huey, Dewey, and Louie are the sons of Donald's sister Della Duck; in "Donald's Nephews", their mother is instead named Dumbella. In the original theatrical shorts, they were originally sent to visit Donald for only one day; in the comics, the three were sent to stay with Donald on a temporary basis, until their father came back from the hospital (the boys ended up sending him there after a practical joke of putting firecrackers under his chair). In both the comics and animated shorts, the boys' parents were never heard from or mentioned again after these instances, with the boys ending up permanently living with Donald. All four of them live in the fictional city of Duckburg, in the fictional state of Calisota.