True Tobi is the true person behing the mask of Tobi. Sasuke secretly made a clone and forced Orochimaru to send the clone back in time to become the Sasuke of this timeline. True Tobi then ends up going back in time and taking the body of Madara. He then ruled the Akatsuki and everything went with the normal Storyline. True Tobi ended up battling Naruto and his mask was damaged. He ended up being Sasuke and True Tobi fled. He ended up absorbing this time's Sasuke and becoming the normal timeline's Sasuke and still being True Tobi. He has the ultimate goal of destroying the Leaf and ruling the world. NOTE: THIS IS STRICTLY FANON AND NOT CANON.