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.
Nightwing
In 2001's "" #111, Superman and Lois Lane travel to a version of Krypton later revealed to have been created by the villainous Brainiac 13 and based on Jor-El's favorite period in Kryptonian history. Labeled as criminals, Superman and Lois become fugitives, adopting the Nightwing and Flamebird identities to survive, just as had Superman and Olsen in "Superman" #158.