Publication history of Dick Grayson leadership of the Titans to Wonder Girl, and takes a leave of absence from the team. In pre-"Crisis on Infinite Earths" continuity, the maturing Dick Grayson grows weary of his role as Batman's young sidekick. He renames himself Nightwing, recalling his adventure in the Kryptonian city of Kandor, where he and Batman meet the local hero of the same name. "Nightwing: Secret Files & Origins" #1 and "Nightwing: Year One" tell the full post-Crisis version of how Dick Grayson gives up his identity as Robin (having been "fired" by Batman). Uncertain what to do with his new-found independence, Dick considers
Robin (character) a notable exception. Sometimes both sources are credited, as in Len Wein's "The Untold Legend of the Batman".) Although Robin is best known as Batman's sidekick, the Robins have also been members of the superhero group the Teen Titans—with the original Robin, Dick Grayson, as a founding member and the group's leader and with Tim Drake as the team leader . In Batman stories, the character of Robin was intended to be Batman's Watson: Bill Finger, writer for many early Batman adventures, wrote: "Robin was an outgrowth of a conversation I had with Bob. As I said, Batman was a