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.
Nightstar (comics)
Nightstar (Mar'i Grayson) is a fictional character from DC Comics, the daughter of Starfire and Dick Grayson in an alternate universe, the latter of which was Nightwing. She serves as a member of Batman's team Outsiders.