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,
Publication history of Dick Grayson the era. Dick continues his adventures with Batman, and begins studying law at Hudson University. However, Robin loses interest in his studies and starts to take on solo missions, and finds himself to be a capable crime-fighter. Shortly afterward, the mysterious Raven summons Dick Grayson and several other young heroes to form a new group of Titans. Robin assumes leadership, and moves out of the shadow of his mentor. Dick, now 19, realizes at that point that he has grown up: he no longer relies on Batman, and he and the Dark Knight disagree on crime-fighting methodology. Robin's newfound independence