Lady Shiva (real name Sandra San or more recently Sandra Wu-San) is a fictional character appearing in comic books published by DC Comics. The character was co-created by Dennis O'Neil and Ric Estrada, and first appeared in Richard Dragon, Kung Fu Fighter #5. Over time, she has become more closely associated with Batman and related characters, both as an enemy and an ally. She is a martial arts grandmaster and one of the most skilled combatants in the DC Universe. She is an assassin-for-hire who specializes in killing her targets with her bare hands, and is the mother of Cassandra Cain, a.k.a. Cassandra Wu-San, Batgirl.