Alternative versions of Robin is later established that they are from the current time-line, and were shunted through time and given false memories by the Time Trapper, who wished to use them as sleeper agents against the time travel villain, Extant. It wasn't revealed until one of the later runs of the Teen Titans that this was not Dick Grayson, in fact his true identity was never uncovered. After this storyline, this version of Nightwing has not been seen since. Whether this version existed at all, after the events of Infinite Crisis or would later to be revealed to be an alternative Dick, Jason,
Dick Grayson hero of the same name. He maintains this identity during his role in the Teen Titans, and occasionally returns to assist Batman and his successors as Robin in the form of Jason Todd and Tim Drake, Tim in particular becoming a younger brother figure to him. When Bruce's back is broken by Bane during the "" story arc, Bruce selects Jean-Paul Valley as his replacement as Batman as he does not want to burden Dick with the role and fears that Dick may go after Bane in revenge. However, when Valley proves to be too unstable to be Batman, Bruce