Luke Cage

Luke Cage, born Carl Lucas and also called Power Man, is a fictional superhero appearing in comic book published by Marvel Comics. Created by writer Archie Goodwin and artist John Romita, Sr., he first appeared in Luke Cage, Hero for Hire #1 (June 1972). A streetwise youth, the man called "Lucas" was sent to prison for a crime he did not commit. In exchange for parole, Lucas clandestinely underwent an experimental procedure, originally intended to generate immunity to all illness; instead, it inadvertently granted him titanium-hard skin and heavier, enhanced muscle, spawning a plot device and recurring gag in early comics of Cage accidentally destabilizing means of support, plowing through walls, and mangling criminals. After escaping Seagate Prison, he forged the identity of "Luke Cage" becoming a "hero for hire," a sort of super-enhanced private detective—although Cage commonly refused money, or simply received none, for cases gone awry (a fair portion, for the unlucky Cage). Later... full article at wikipedia