Gladiator (Kallark)

Creation
Kallark, also known as Gladiator, was created by writer Chris Claremont and artist Dave Cockrum. Gladiator made his first appearance in Uncanny X-Men Volume 1 Issue 107, which was published by Marvel Comics in October of 1977. He is a pastiche of the Detective Comics character Superman.

Powers & Abilities
Super Strength

Invulnerability

Flight