Super-villains almost always have interesting motives for making things difficult for super-heroes. Some villains want power, some want riches, and some just want to engage in destruction and mayhem. Then there are those who seem to treat the entire hero-versus-villain scenario like their own personal MatchMaker service:
Gosh, and here I thought Evil Star HATED Hal (Green Lantern) Jordan. Maybe Evil Star has a fetish for Parallax-induced streaks of white hair.