Alias
J'Onn J'Onzz, Big Green Buddy, J.J., Jolly Green Giant, Light to the Light, Manhunter, Manhunter from Mars, Son of Mars, Bronze Wraith, Bloodwynd, many others
Captain America, Guardsman, Jack Daniels, John Walker, Liegeman SS Agent, Super-Patriot, US Agent, Warden Walker