Metallo

Metallo is a name used by multiple supervillains appearing in American comic books published by DC Comics, commonly as an adversary of Superman.

 Fictional character biography 
Metallo is usually depicted as a cyborg with a kryptonite power source in his heart, which he uses as a weapon against Superman. In 2009, Metallo was ranked as IGN's 52nd-greatest comic book villain of all time.

Category:DC Comics supervillains