John Stewart

Veteran U.S. Marine John Stewart is designated Green Lantern 2814.3, the third protector of Earth's sector of space, succeeding Hal Jordan and Guy Gardner as DC's primary Green Lantern for a significant portion of the 1980s comic run.

DC Heroes
John defeated Hawkgirl in the opening round, Superboy in the 2nd, and Mister Terrific in the 3rd round, before being eliminated by Superman in the quarterfinals.