Omni-Man

fictional character from Invincible

Nolan, better known as Nolan Grayson or his hero mantle Omni-Man, is the deuteragonist of the Image Comics series Invincible. He is an alien from the planet Viltrum, and became the father of Mark Grayson, who would become the superhero Invincible. He was revealed to be a villain upon slaughtering the Guardians of the Globe, but redeemed himself for the sake of his family and to protect the Earth from the Viltrum Empire.

Omni-Man in Mortal Kombat 1.

The character was created by writer Robert Kirkman and artist Cory Walker (with Ryan Ottley) as an expansion of a character concept created by Alan Moore and Chris Sprouse.

In the Invincible television series, Omni-Man is voiced by J. K. Simmons.