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 War reconfirms his dedication to his brothers and reasserts himself as the leader, by reminding the three about why they have followed Bruce through it all in the first place: Family. Afterwards, Grayson is welcomed to the newly expanded, international Parliament of Owls, as he complies and says, "I'm not Robin." Robin War "Robin War" is a comic book crossover storyline published by DC Comics. The event ran from December 2015 to January 2016 in the books "Robin War", "Grayson", "Detective Comics", "We Are Robin", "Robin, Son of Batman", "Gotham Academy", "Red Hood/Arsenal", and "Teen Titans". The series features numerous incarnations