Galactus  is a fictional character appearing in American comic books published by Marvel Comics. Formerly a mortal man, Galactus is a cosmic entity who originally consumed planets to sustain his life force, and serves a functional role in the upkeep of the primary Marvel continuity. Galactus was created by Stan Lee and Jack Kirby and first appeared in the comic book Fantastic Four #48, published in March 1966.Lee and Kirby wanted to introduce a character that broke away from the archetype of the standard villain. In the character's first appearance, Galactus was depicted as a god-like figure who feeds by draining living planets of their energy, and operates without regard to the morality and judgments of mortal beings.