(spoiler) So someone going. "Hey are you mandara?" "Yes."Counts as proof? theres been to many hints for him to be Madara, the fact that he was interrupted right before revealing his face. The fact that Kisame chuckled and went "Oh, its you..." and of course the latest, being Kabuto resurrecting....Someone... Someone Tobi was supriced to see...The real madara maybe?