John Henry Irons was a scientist and part-time superhero known as Steel.
Working for the US Military and with Lex Luthor, Irons developed a suit and hammer that would give a US Soldier extra protection and strength. The arrival of Superman changed this, and when Luthor attemtped to torture the Man of Steel, Irons quit. Using his suit, Irons became known as Steel after he aided the battle against the Collector of Worlds. He later aided Superman against the Kryptonite Man before going to travel Africa. Over the years he became noted for his fights with the Suicide Squad and Jochi. He later fought Doomsday in which he was brutally injured. However, he managed to purge the Doomsday Virus from himself by becoming symbiotically linked with liquid steel.