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
  
Donald Velez, Ezra, Heimdall the Faithful, the Immovable, the Eternal Vigilant, the All-seeing