I never believed that they would go with adult anyone, remember that they usually lie on the casting calls, but yeah, but if he really is a version adult, i will say baby Neal, and like someone said black fairy takes him to dark realm, but still say this is a decoy, also remember if they get a S7 and they really want to revamp the show, without many characters they may not have new characters connected to past ones, where they will need them to present or flashbacks, in that case all present cast would stay and there was no need or revamp anything, bc they would still have the same cast, only a repeat of past storylines, like gideon.
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"I offended you with my opinion? Ha, you should hear the ones I keep to myself".