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,
Teen Titans (season 2) of the series—the action and the comedy—were often at odds with each other." He also criticized the lack of back story for the main characters. <onlyinclude></onlyinclude> Teen Titans (season 2) The second season of the animated television series "Teen Titans", based on the DC comics series of the same time by Bob Haney and Bruno Premiani, originally aired on Cartoon Network in the United States. Developed by television writer David Slack, the series was produced by DC Entertainment and Warner Bros. Animation. The series focuses on a team of crime-fighting teenaged superheroes, consisting of the leader Robin, foreign alien princess