Well at first Mina was saying it was inevitable and that the hooded guy will be Tobidara, but now he's changing it to "might". Cool. Seems he has some humility. The theory lost all grounds once Kaguya was introduced. Am I supposed to swallow the pill that Madara, who was merely one of the mani pawns of Black Zetsu over a 1,000 year timeline to know more than a goddess and progenitor of all chakra? To know every detail about how Kaguya bonded with the Shinju when not even the GOD OF SHINOBI knew? That Madara had the maximum power he could muster (to the point he swelled up to a fattie due to the sheer volume) and that he's SOMEHOW still behind the scenes and will somehow surpass that near godly power he once had? I'm sorry, but not even Orochimaru can swallow such a big pill. Eventually he'll have to accept reality and stop defining himself by a theory he made years ago. Let the healing process begin!
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If that guy is an Edo, then it is most likely a modified Shisui. Remember there are Danzo and Shisui DNA samples in Obito's hideout as well as plenty of Sharingans, and Orochimaru knows the location now. Perhaps that little bunny guy is an animal path...