Huntress

From the Lego Batman Wiki

Huntress is a playable character on LEGO Batman the Videogame DS. She wears black and a purple cape. She helps you find the ten villains in Villain Hunt. She is completely playable after you beat the whole villain hunt, and when you get True Hero in at least one episode, you can play as her for 200,000 studs. She carries a crossbow and attacks with fists! In main continuity, she is the last remaining member of the Bertinelli mafia family, Helena Bertinelli set out to undo what he family had helped to do to Gotham city under the guise of Batgirl and finally Huntress. In Earth-Two continuity, she was really the daughter of Batman and Catwoman.