User blog comment:Rafe Adler/Crossover with any show/@comment-28458080-20160624042111/@comment-24695878-20160624131139

Well if Barry has a doppelganger in Smallville then ouch because if you remember one of Bart Allen aka Impulse's fake ids was Barry Allen. He also had one of Jay Garrick, but Jay actually exists in Smallville's universe so Barry could be out there somewhere. Bart stole Barry's identity!