John Stewart/Origin

Background History
John Stewart was a member of the United States Marine Corp, he was selected to be the original guardian of the Earth. Apon Hal Jordan's return to planet Earth with Abin Sur's former Energy Ring as an accidental Green Lantern. Although they had their differences, they learned to work together to guard the earth in unison. During the appellexian invasion, John Stewart took part in protecting the planet with several other heroes and formed the Justice League.