Lady Shiva. She is considered one of the greatest martial artists in the world and is an enemy of Batman Black Canary The Question and Richard Dragon. She was created by Dennis ONeil and Ric Estrada.
In the original timeline her sister Carolyn was a traveling companion of the martial. Her daughter is the vigilante Cassandra Cain who she conceived with assassin David Cain as the perfect warrior. Lady Shiva is a master martial artist and assassin who travels the globe in search of other martial art masters from which to learn from and fight in duels to the death.
Lady Shiva may be referring to two or more different villains.
She is often referred as Gandhi of grain for her activism associated with anti-GMO movement. In the original timeline her sister Carolyn was a traveling companion of the martial. She is an occasional. Lady Shiva is the deadliest martial artist in the DC Universe.