User blog comment:GekkoMoria/Kinemon: Back to the Future./@comment-4329230-20120817005147/@comment-12.106.174.130-20120817144732

No time traveling in canon, but you look at the non-canon anime and you get the time traveling rainbow mist. Luckily our dear Oda hasn't stooped to time traveling, maybe Roger is really just an older Luffy, hmmmmm