Cassandra Cain – Wikipedia

Cassandra Cain (also known as Cassandra Wayne and Cassandra Wu-San) is a superheroine appearing in American comic books published by DC Comics, commonly in association with the superhero Batman.Created by Kelley Puckett and Damion Scott, Cassandra Cain first appeared in Batman #567 (July 1999). The character is one of several who have assumed the role of Batgirl.