Simmons was thrilled to star as Omni-Man in Mortal Kombat 1, even if it did involve a bit more grunting and groaning.

Invincible Season 3 expands its universe with the introduction of Kid Omni-Man, also known as Oliver Grayson. While fans ...

Fans are curious to know whether Oliver Grayson, aka Kid Omni-Man, is stronger than his brother, Mark, aka Invincible. The ...

Oliver Grayson is strong with a lot of potential, but it is impossible for him to surpass Mark Grayson which will be seen in ...