The Tobi thread is closed, so I am going to put my 2 cents here. I believe that Tobi will be revealed as Obito. If not then its probably Izuna with Obito's recovered eye. I was watching a past episode of shippudden....the one where Sakura tried to kill Sasuke only to be saved by Naruto(the one where Sasuke takes the knife and Naruto gets a poisonous scratch on the cheek). If you guys can recall...after all the boring reminiscing that Naruto does, Kekashi is about to fight Tobi with his new "black hole jutsu" when Tobi stops him and says "stop because that will not work on me!!" Now lets think for a second....Tobi can instant teleport and his teleportation from his eye has the same animation as Kekashi's new eye jutsu. Kekashi's eye came from Obito therefore his eyes powers will have no effect on Tobi who may or may not have the other eye that was supposedly crushed or simply the same DNA. Both sharigan's from Tobi and Kekashi have matured to almost the same levels. Kekashi can copy most jutsu's and so can Madara who has a wide range of techniques with his eye. Tobi has also been seen to replace body parts like when he took Danzo's arm to replace his own. If half Obito's body was crushed, then maybe Orochimaru recovered his body and taught him how to replace body parts. Kabuto has taken over Orochimaru's experiments and obviously all his notes....that explains how he knew that Tobi is not the real madara and ressurected edo madara. Things are not going according to plan as per edo Madara but remember that there are secret writing by the sage that only high level Uchiha can read. Maybe the master plan is in those writings. Just a theory but I think a strong one.