Keith Giffen is a comic book artist and writer, best known for his work on Legion of Super-Heroes, Ambush Bug, Justice League International, Justice League Europe, Lobo, L.E.G.I.O.N., Annihilation, Doctor Fate, Video Jack, The Defenders, Metal Men, 52, Countdown to Final Crisis, Omac, Justice League 3000, The New 52: Futures End, Infinity Man and the Forever People, Freak Force, Justice League: Generation Lost, Omega Men, Action Comics, and Eclipso. Keith is the creator of Ambush Bug, and co-creator of Rocket Raccoon, Lobo, Maxwell Lord, G’nort, and Jack of Hearts.