Naturally, we're talking about the infamous Bellatrix Lestrange!
Harry Potter Series Women's Deluxe Bellatrix Costume Her loyalties caused her to commit many heinous crimes that eventually got her locked up in Azkaban. As much as we all hate Bella, we also can’t help but love her at the same time. Eventually, she escaped in a mass breakout and returned to her beloved overlord. Be sure to grab the wig and wand as well.