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 ...
Thragg, the Grand Regent of the Viltrumites, surpasses Omni-Man in strength and is Invincible's main villain. Invincible eventually becomes the strongest character, surpassing Omni-Man as the ...