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 later. In 1969, still in the Pre-Crisis continuity, writer Dennis O'Neil and artist Neal Adams return Batman to his darker roots. One part of this effort is writing Robin out of the series by sending Dick Grayson to the Hudson University and into a separate strip in the back of "Detective Comics". The by-now Teen Wonder appears only sporadically in "Batman" stories of the 1970s. In 1980, Grayson once again takes up the role of leader of the Teen Titans, now featured in the monthly series "The New Teen Titans", which became one of DC Comics' most beloved series of