Green Lantern: College drop out, and freelance artist Kyle Rayner was given a reformed Green lantern ring, by the guardian Ganthet, in the hopes that in his hand the legend of the Green Lantern Corps would live on.  Self trained with the alien ring, he has dedicated himself to making sure the Green Lantern Name lives on, fighting as a defender not only of Sol III but the entire universe as the last of the Green Lanterns.

Sentinel: in 1939, Alan Scott was an average train engineer  testing a new bridge when the it exploded.  everyone died but Alan.  The green lamp from the train protected Alan and the flame spoke to him.  telling him to fashion a ring from the green lamp.  Drobing himself in red and green he became the green lantern.  After recent events, that cased him to regain his lost powers, and decelerated his aging, he's once again picked up the tights calling himself Sentinel.

Donna Troy: originally created through the same spell that made Wonder woman, she was Raised on New Chorus by the legendary Rhea. she was trained and given special abilities to be a warrior.  It was not soon after coming to earth she joined the Teen Titans as Wonder Girl.  Through the years she has been through many changes such, Troia and a member of the Darkstars.  After many tragedies in her life she has finally given up super heroing and has instead given into her dream of being a photographer.  But with her boyfriend, being Green Lantern we all wonder how long this will last.