Akatsuki-Base

  Uchiha Madara/ Tobi:

                                                        Madara:

Eighty years ago, when shinobi were battling as individual clans, not as villages, among a countless number of them, two clans emerged as the strongest: the Uchiha clan and the Senju clan. Madara was also the first to activate the Mangekyou Sharingan.

He had a younger brother, who was equal to him in every way and also awakened the Mangekyo Sharingan. Together they ruled over the Uchiha clan, with Madara taking the role as leader. But eventually Madara went blind, unaware of any side effects of the Mangekyo Sharingan at the time. He became increasingly desperate to regain his eyesight. No one really knows whether Madara killed his brother and stole his eyes or if Izuna gave him his eyes. It is important to keep in mind that, if Madara's brother rivaled his power, then it is extremely unlikely that he would be able to have murdered his brother and stole his eyes. At some point in Madara's early life, by the decision of the entire Uchiha clan except for him, he formed an alliance with the Senju clan, Hashirama Senju's clan, and together with its leader, the future First Hokage, Madara founded Konohagakure.

However, after Hashirama was chosen to be the First Hokage of Konoha, Madara feared that the Uchiha clan would lose supremacy and he sought the help of the Uchiha in his challenge for leadership. The Uchiha clan, however, refused, believing he was greedy. None of the Uchiha would help Madara, and he decided to leave the village. Feeling hurt and betrayed, he came back and wanted revenge against Konoha which led to a legendary battle at the Valley of the End against Hashirama. During the battle, Madara used his Mangekyo Sharingan to take control of the Nine-Tailed Demon Fox and used it in a desperate attempt to kill Hashirama. Madara, however, was ultimately defeated and was presumed by most to have died after the battle. Madara fled, and was never seen or heard of again out in the public for decades. To commemorate the battle, two statues, one of Madara and the other of the Hashirama, were carved into the earth around the waterfall. It is for this reason that Naruto Uzumaki and Sasuke's fight at that location was noted to be ironic.

Madara created the criminal organization known as the Akatsuki to look over problems. He hid behind the shadows and placed Pain as the figure-head leader, with Madara giving Pain orders from the background. Outside of Pain, the only members who are shown knowing Madara's position as the true leader are Konan, Kisame, Zetsu and Itachi.

Itachi believes it was Madara himself that controlled the demon fox to attack Konoha, though Madara denies this, saying that the demon fox was a natural disaster. Nevertheless, when he came to destroy the entire village of Konoha in revenge, he met up with Itachi, who had already been assigned his mission to kill his clan. Itachi successfully talked Madara into only killing the Uchiha clan as long as he left the rest of the village alone. Madara also taught Itachi about the Mangekyo Sharingan, helping him by teaching him how to unlock its true power. After Itachi killed off the Uchiha clan because of orders from Konoha, Madara let Itachi into Akatsuki for unknown reasons. Itachi refers to Madara today as "a pathetic shell of his former self, no longer worthy of being called the greatest Uchiha."

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                                                               Tobi:

Madara's mask at the time he met Itachi

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To keep in Akatsuki's shadow, Madara eventually took on the disguise of Tobi and was placed within Akatsuki as Zetsu's subordinate. As Tobi, Madara wears an orange mask , with swirls focused around the right eye, that covers his entire face outside of his right eye. Before wearing the swirl mask, Madara wore a similar mask, with markings across it which resembled the hidden mist villages ANBU mask, covering his entire face but the right eye. However, the mask does not bear the symbol of the Hidden mist village.

Furthermore, Tobi has several bolts or pins present on the arms of his uniform, obscured by his Akatsuki cloak. While acting as Tobi, unlike others within Akatsuki, Tobi is carefree and goofy, but Madara uses a very formal and correct manner of speech.

While Tobi greatly respects his other members, referring to Deidara as Deidara-senpai in the Japanese version, most of the other members tend to get easily annoyed by Tobi. Deidara, who believes all within Akatsuki should be serious and calm, is not pleased with Tobi's childish personality, and frequently attacks Tobi in a comedic fashion when annoyed. Kisame and Zetsu, on the other hand, somewhat appreciates Tobi's ability to brighten up a gloomy organization such as theirs.

As Tobi, Madara has not been seen wearing a forehead protector, probably to seal his identity, though he already has a mask covering his forehead, so this could also be why it is not visible. Although, it stands to reason that since Madara hates Konoha, he probably refuses to wear the headband anyway, like Orochimaru and Sasuke.

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Before Tobi is revealed to be Madara Uchiha, several fans hypothesized that he could be Obito Uchiha, as his only shown eye was the opposite of the eye that was inserted in Kakashi, which replaced Kakashi's destroyed left eye in the manga-exclusive Kakashi Gaiden, and their similar hair styles as well as the same blood type, "O". Also, they both act in the same goofy way, and half of Zetsu claims Tobi to be a good boy, while Obito was a good boy. Furthermore, Tobi is seen to have pins in his body under the coat, and Obito's body was crushed. The spelling of Obito was also similar to Tobi, creating the fan reference of ObiTobi, or Tobito.

Another fan speculation is that Pain, who now is discovered to have multiple bodies, could have used the remains of Obito to reconstruct the body and revive Madara in the body of Obito, which contained Sharingan only within the right eye, the same eye that Madara has been shown using the Sharingan. It is also possible that Pain employed Kakuzu, who was able to reattach Deidara's arms after they were severed, and could have done similarly with Obito and Madara.

One more speculation is that Orochimaru, who was able to use the Summoning: Impure World Resurrection, as demonstrated in the fight with the Third Hokage, and who was once a member of Akatsuki, probably used or learned it there. And so, it is possible that the body of Obito has been reanimated and the spirit of Madara has been implanted into him using another forbidden jutsu.

Fans also speculated that Madara could also be Danzo. Tobi has bolts on the same arm that Danzo has covered up and they share similar hair styles. Not only that, he and Madara share the same hatred for the First, Second, and Third Hokage's teachings and philosophies. Madara also hates the Senju clan, and the First and Second were both Senju, and Danzo despises Tsunade for being the grand-daughter of the First. Danzo has the same eye covered up that Madara has his Sharingan. Kisame's revelation of Madara being Mizukage offers more support to this theory as Danzo's Root is said to use extremely similar methods to Kirigakure earlier on, the education that led to the village being referred to as the Village in the Bloody Mist. Also when Madara tries to reveal his Sharingan to Sasuke by taking off his mask we see that part of his face is heavily wrinkled, adding more to the possibility that he could actually be Danzo. Another note that further adds onto the suspicion of Danzo being Madara is the fact that Madara stated that he finally has Sasuke on his side (possibly indicating that Sasuke was either a threat or a tool for his plan). Danzo was the one who actually sent Sai out to kill Sasuke, which might have actually been an attempt to remove Sasuke as a threat. Further support to this theory is offered when Danzo kills the messenger toad which was about to fetch Naruto. It is spectaculated that Danzo stopped the toad as Naruto could stop Pain's destruction of Konoha. Also, Danzo was one of the three people who ordered Itachi to kill the Uchiha clan, and Madara hates the Uchiha clan for betraying him. However, Danzo wants to become Hokage of Konoha while Madara wants to destroy it.