If you love causing mischief and you're looking for the perfect costume for Halloween, then look no further than this sassy Batman Harley Quinn Dress Costume in red and black. Harley Quinn (a play on the word harlequin) is the devious sidekick to The Joker in the Batman comics, and was certainly one sneaky lady you would not want to mess with! This outfit includes the two tone dress with the collar, and the gloves.