EAT-MAN

is a japanese manga series written and illustrated by Akihito Yoshitomi. It ran in Monthly Dengeki Comic Dao! between 1996 and 2003.

Synopsis
Meet Bolt Crank, mercenary extraordinaire, and the man who eats metal! Through his travels, he stops along the way to make a few bucks and occasionally rescue damsels in distress. His taste for metal gives him quite an edge as he becomes capable of generating an assortment of weapons from his hand! It's a strange ability, but it seems to come in handy, so to speak. Bolt has an edge over his adversaries, but will that be enough?

EAT-MAN
An anime adaptation of the manga, it aired for 24 between two seasons in 1997 and 1998.
 * see: EAT-MAN (Anime).