Artist Michael Jon Grell quickly made a name for himself in comics by tackling one of its most difficult assignments—the seemingly infinite universe of the Legion of Super-Heroes. From there, Grell joined Dennis O'Neil for a well-received Green Lantern and Green Arrow revival and might have become a regular contributor to the Batman office if his creation Warlord had not taken off to become DC's most successful fantasy title ever. Grell (whose other works of note include Jon Sable, Freelance, Starslayer, and Green Arrow) still writes the occasional Batman tale.