One of DC's most underrated characters in my opinion, Carol has really come into her own ever since her reintroduction as a permanent fixture in the Green Lantern universe. She's always been a much more versatile and well-rounded character than your typical token girlfriend, able to play the hard-driving career woman, empathetic heroine, or wicked villainess. While her depiction is admittedly quite exploitative at times, this is to be expected since sex appeal is intrinsically woven into her persona and is not entirely gratuitous, though of course it works best when kept within bounds of reason.