|Real name:||Roger Corben|
|Relatives:||John Corben (brother)|
|Abilities:||Cybernetic enhancement powered by Green Kryptonite|
Metallo is in reality Roger Corben, who took on the identity of Metallo after his brother John had died. He did so with the aid of a criminal organization called SKULL, which transformed him into a cyborg. He then went to get revenge on Superman.
Powers and Abilities
The Roger Corben version of Metallo made his first appearance in Superman # 310 (April 1977).