Nightwing
Nightwing is a fictional superhero appearing in American comic books published by DC Comics. The character has appeared in various incarnations, with the Nightwing identity most prominently being adopted by Dick Grayson when he moved on from his role as Batman's vigilante partner Robin.
Lady Shiva
In The New 52 (a 2011 reboot of the DC Comics universe), Lady Shiva appears in "Nightwing" #0. After she defeats Batman, Dick Grayson fights her in his debut as Robin with a costume composed of spare Bat costume parts. Lady Shiva easily defeats him and encourages him to stop living in Batman's shadow. In issue #13, she returns to Gotham City several years later to kill another target and Dick Grayson as Nightwing sets out to stop her.