The crossword solution for the term 'KING KONG IS ONE' is 'APE'. King Kong is a fictional giant APE character that first appeared in the 1933 film of the same name. He has since become a cultural icon and has been featured in numerous sequels, remakes, spin-offs, imitations, books, comics, video games, and other media. The character has become a symbol of strength and power, and is often seen as a representation of humanity's struggle against nature.