John Stewart was recruited by the Green Lantern Corps and trained for ten years, before returning shortly after Abin Sur's death. He became a founding member of the Justice League.
John Stewart is at heart a professional soldier, a man of duty. He takes his roles as a protector of Earth, a member of the Green Lantern Corps, and a founding member of the Justice League with the utmost seriousness. At times this has led him into conflict with comrades like the Flash or Supergirl, who do not appear to share this serious attitude. His sense of responsibility is beyond reproach, as seen during his trial in the Ajuris system; John believes that beings entrusted with great power must be held accountable for their actions. (Read more...)