User blog comment:Flashdancer911/Zoom: who he CAN and CAN'T be... (theory only)/@comment-28835160-20160216172556/@comment-27129692-20160217111447

Probably not because there is a doppelganger for everyone according to the executive writers, which means that Barry would have a twin somewhere back on Earth 1 - maybe he did and it died and he was never told