Cassandra Cain is one of the world's greatest martial artists, and a vigilante acting as a member of the Batman Family. She is the daughter of assassins David Cain and Lady Shiva and was bred to become the perfect killer and taught fighting as her first language, without ever learning to talk. She later rebelled against her father and became Batgirl during No Man's Land following Barbara Gordon and Helena Bertinelli. She later adopted the alias Blackbat as a member of Batman Incorporated. She has been a member of Justice League Elite, the League of Assassins, the Outsiders, Deathstroke's Titans East and Young Justice. Cassandra Cain was created by Kelley Puckett and Damion Scott, first appearing in Batman #567. (1999)

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