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
Publication history of Dick Grayson Hood, as well as the red-breasted American robin, which parallels the "winged" motif of Batman. Dick Grayson was born on the first day of spring, son of John and Mary Grayson, a young couple of aerialists. In his first appearance, Dick is an 8 year-old circus acrobat, and with his parents make up the "Flying Graysons". While preparing for a performance, Dick overhears two gangsters attempting to extort protection money from the circus owner. The owner refuses, so the gangsters sabotage the trapeze wires with acid. During the next performance, the trapeze from which Dick's parents are swinging snaps, sending