Warrior Guy Gardner
Guy Gardner was once a failed Green Lantern. Ejected from the Corps, he was brought back to battle the menace, Parallax. Instrumental in rallying the new recruits and pushing them past the Yellow Limitation, he proved his merit and earned the position of Honor Guard.
Now, with Kilowog and Kyle Rayner, Guy helps to train new recruits. And strains against the limits of the Guardians' authority.
As for the girl? it's a GL construct.