Donkey Kong and King Kong are two iconic characters from the world of video games and movies. Donkey Kong is a gorilla character created by Nintendo in 1981, while King Kong is a giant APE character that first appeared in the 1933 film of the same name. Both characters have become popular cultural icons, and the term 'Donkey Kong or King Kong' is often used to refer to either character. The crossword solution for the term 'Donkey Kong or King Kong' is 'APE, ' which is a three-letter word meaning any primate mammal of the family Hominidae.