I used my own hair for Rogue! My hair is naturally dark brown, and I've had white-blonde bangs for ages, because I just love the hairstyle. That does mean it doesn't work for anyone else though...
Scarlet Witch (with Quicksilver), Dagger (with Cloak, 2013 Ultimate editions), Stahma Tarr
Chosen, In Planning:
Red (with Subject Unknown), Evie & Jacob (Lady and Duke outfits)
Xayah & Rakan, Tulio & Miguel