Stormwatch Black could definitely be an option.  As far as the rest of her backstory goes, I'm thinking it might be interesting to make her a second- or third-generation superhero, and I'm thinking Night Owl might be a good superhero name.  Her enhanced physical abilities would come from a mystical 'Amulet of the Night' that's worked into her costume, her vast fortune and training and gadgets were all provided by her parents, who aren't dead, but who did go into retirement when the rest of the superhero community did, and are currently off-planet...<br/><br/>If I do wind up making her a futa, it will probably be because the Amulet of the Night is cursed.  Still on the fence about that one, though.