Galactus is a fictional character appearing in American comic books published by Marvel Comics. Galactus was created by Stan Lee and Jack Kirby and first appeared in the comic book Fantastic Four #48, published in March 1966.

In his first appearance in The Fantastic Four, Galactus was depicted as a god-like figure who feeds by draining living planets of their energy. After debuting in the Silver Age of Comic Books, Galactus has played a role in over four decades of Marvel continuity.