Invincible (Mark Grayson), Superhero Wiki

Invincible (Mark Grayson) is a superhero in the Image Universe and is the protagonist of the comic book series Invincible. The son of Omni-Man, one of the greatest heroes on Earth, and decided to follow in his footsteps, unaware that his father was a vanguard for an alien invasion. Mark Grayson was born the son of Nolan and Deborah Grayson.  Nolan was the beloved superhero Omni-Man an alien with fantastic abilities.  Mark learned this at seven years of age and that he was sent to Earth to protec

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