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.
Lion Around
Lion Around is a 1950 Donald Duck cartoon featuring Donald Duck, his nephews Huey, Dewey, and Louie and Louie the Mountain Lion. The film is the first appearance of Louie the Mountain Lion. In this episode, Donald is tricked into thinking he's getting attacked by a cougar.