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.
Savate
In DC Comics, the character Nightwing is described as having a personal fighting style that combines Savate with the Filipino martial art Arnis.