At age 17, Mark begins to display superpowers, which come from his father being a member of the Viltrumite race, who, according to Nolan, pioneer the galaxy on a mission of benevolence and enlightenment. Mark Grayson is a normal high school senior with a normal part-time job whose father, Nolan Grayson, is the alien (but human-appearing) Omni-Man, the most powerful superhero on the planet. An animated television adaptation began streaming on Amazon Prime Video on March 25, 2021.
The series began publication on January 22, 2003, concluding on February 14, 2018, with 144 issues. Set in the Image Universe, Invincible follows the coming of age of superhero Mark Grayson / Invincible, a Viltrumite and first-born son of Omni-Man, the most powerful superhero on Earth. Invincible is an American comic book series written by Robert Kirkman, illustrated by Cory Walker and Ryan Ottley, and published by Image Comics.