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 the team, Titans L.A., appeared once, in the pages of "Titans Secret Files" #2. Between "Teen Titans" and "Titans", a new generation of young heroes formed a team in "Young Justice", consisting of Superboy, Robin, Impulse, Wonder Girl, Secret and Arrowette. The two series concluded with the three-issue limited series "", which led to two new series: "Teen Titans" and "Outsiders". Writer Geoff Johns' "Teen Titans" series began in 2003, after a three issue mini-series entitled "Titans/Young Justice Graduation Day", which saw the death of Donna Troy and Lilith, along with the disbanding of the 1998–2002 Titans roster and the