Nightwing

Nightwing is the name of several superheroes appearing in American comic books published by DC Comics. The most prominent is Dick Grayson, who takes the name when he leaves his role as Batman's partner and sidekick Robin in his adulthood. Although Nightwing is commonly associated with Batman, the title and concept have origins in classic Superman stories. The original Nightwing was an identity assumed by Superman when stranded on the Kryptonian city of Kandor with Jimmy Olsen. Drawing…Wikipedia