Donkey Kong Junior (not to be confused with Diddy Kong), also known as DK Jr. or simply Junior, is the protagonist of the 1982 arcade game of the same name and the son of Donkey Kong. In terms of character design, Junior is essentially a child version of his father, but wears a white singlet with a red letter "J" written over it. His objective in the game is to save his father, who is being kept in a locked cage by Mario. He returns in the 1994 Game Boy remake of Donkey Kong, where he teams up against Mario with his father, who is once again holding Pauline captive. Junior has also appeared as a playable character in the original Super Mario Kart and Virtual Boy game Mario's Tennis, as well as a hidden character in the Nintendo 64 version of the similarly named Mario Tennis. He is also fea