Selina Kyle (Earth-51022015)

Selina Kyle is a childhood friend of Bruce Wayne's, having met him after his parents death. While Bruce was the son of Gotham's richest family, Selina came from an extremely poor family. When they each became teenagers, Selina grew romantically attracted to Bruce, but never got the chance to act on those feelings, having become a master thief to end her near homeless lifestyle. Eventually, when Bruce became the Green Lantern, she eventually became the Star Sapphire.