Karnak is a fictional superhero appearing in American comic books published by Marvel Comics. He was created by Stan Lee and Jack Kirby and debuted in Fantastic Four (vol. 1) #45 (1965) along with other members of the Inhuman Royal Family. Karnak made his live-action debut in the 2017 Marvel Cinematic Universe (MCU) television series Inhumans, portrayed by Ken Leung.