The Viltrumites in Invincibleare incredibly strong, but Mark Grayson's father, Omni-Man, far exceeds his fellow warriors in strength. While Invincible himself is no slouch, Nolan Grayson is one of ...

Of those who do take part in the fight against Omni-Man, all die, although the Immortal (Ross Marquand) is later resurrected (as his name suggests), reasserting himself as the strongest member of ...