Coupé's past is currently not well known. It is speculated that she manifested her power when she was very young and was noticed by the Mob who took her in and train to be assassin at early age. Coupé is a tall woman with short black hair and yellow eyes. She wears a black, form fitting outfit with silver details and a silver domino mask. She has matching knee high silver, armored boots and her arms likewise have some armor covering her shoulders and the outside part of her arms, down to the back of her hands. Her suit includes black and silver mechanical wings and she keeps some of her daggers stored behind each shoulder, with the blades jutting outward.