Galactus is a Marvel Comics character and supervillain from the animated television shows The Avengers: Earth's Mightiest Heroes, Ultimate Spider-Man, Hulk and the Agents of S.M.A.S.H., and Avengers Assemble. He is the arch-enemy of all the members of the Fantastic Four and the Silver Surfer.
He is based on the character created by Stan Lee and Jack Kirby.