King K. Rool is a character and the main antagonist of Nintendo's Donkey Kong franchise. K. Rool is the leader of the Kremlings, an army of crocodilian raiders. He seeks to steal the gorilla Donkey Kong's stash of bananas. Created by British game designer Gregg Mayles, K. Rool first appeared in Donkey Kong Country (1994). His name is a pun on the word cruel, a nod to his malevolent nature. K. Rool has also appeared as a playable fighter in Super Smash Bros. Ultimate (2018), in the Donkey Kong Country animated series, and merchandise.