 During that time, she sported her normal hair color and skin color indicating that she can go back and forth between her normal form and her icy form.Allie Langford/Nails (voiced by T'Keyah Crystal Keymáh) is a teenage girl who experienced a delayed reaction to the Big Bang.Allie's exposure to the Big-Bang has transmuted her literally into a 'Girl of Steel', along with the ability to lengthen and retract the length of her fingernails, as well as shoot them as projectiles and regenerate fingernails.