Invincible (Mark Grayson) is an Image Universe superhero created by writer Robert Kirkman and artist Cory Walker, currently drawn by Ryan Ottley. Invincible first appeared in a preview as part of Savage Dragon #102 (August 2002), before graduating to his own self-titled regular series in 2003, as the premier title in Image's then-new superhero line. Invincible is the son of Omni-Man, an extraterrestrial superhero of the Viltrumite race. Invincible inherited his father's complete array of super powers and he has sworn to protect the Earth. As a teenager, he had trouble adjusting to his newfound powers and coping with the reality of his orig...read more
Invincible (Mark Grayson) Fan Casting
By Sophia Edwards | Published March 19, 2026