Obito's true identity remained a major plot point for most of Shippuden. His mask allowed him to first take on the role of Tobi, and later put on the facade of being Madara Uchiha. While it's ...

Madara's hunger for power made him resort to immortal ways, and he prolonged his life until he found Obito to be someone who would carry out his name until the antagonist's rebirth. After getting ...

In Naruto, when Kabuto conjured the sixth Coffin to terrify Obito and demonstrate his might, it included Madara Uchiha. When it came to knowledge about a wide range of topics, Kabuto was an expert.