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,
Robin in other media become a romantic couple. The tie-in comic, "Teen Titans Go!" appears to confirm that this version of Robin is indeed Dick Grayson, as issue #47 focuses on Robin struggling through the anniversary of the death of his parents (which are shown to be the Flying Graysons, as in the episode "Haunted") with the other Titans trying to help him cope. Batman makes a cameo overseeing Titans Tower from the city, and after seeing Robin and Starfire kiss, claims that Robin is "in better hands". Jason Todd is also mentioned by Beast Boy to be a potential candidate for Red X