Colossus

A gentle artistic farmhand, Piotr (Peter) Nikolaievitch Rasputin has the mutant ability to coat his body in an organic, steel-like substance. Since being recruited by Professor X, Piotr has been known as the member of the Uncanny X-Men known as Colossus!

2D Fighters
Colossus was eliminated in the opening round by Rock Howard

Children of the Atom
Piotr tied with the unstoppable Juggernaut, eliminating them both from the first round.