Do supervillains like Harley Quinn, Catwoman and Poison Ivy dress up for Halloween? I don't really see them dressing up as cute critter, a doctor or a colorful hippie - do you? But I can imagine supervillains celebrating Halloween by actually taking off their usual costumes and dressing up in their most glamorous gowns and gorgeous outfits. But they are supervillains after all, so of course a little bit of their personality will always show.
