Uchiha Obito

Past Obito was born into the Uchiha clan, one of the most powerful clans in Konohagakure. As a child, he aspired to become Hokage, much like the main protagonist, Naruto Uzumaki. Initially, Obito is depicted as a cheerful, optimistic, and passionate child. However, despite his potential, he often felt overshadowed by his peers, especially Kakashi Hatake, who was exceptionally talented.

During the Third Shinobi World War, Obito was part of Team Minato alongside Kakashi and Rin Nohara. On a mission to save Rin, Obito seemingly died after being crushed by a large boulder, although in reality, he was saved by Madara Uchiha. It was during this period that Obito underwent a great personal crisis after witnessing Rin's death at Kakashi's hand. This deep pain and anger led him down a path of darkness.

Personality Before the Tragic Incident: In the beginning, Obito was a kind-hearted, enthusiastic, and determined young ninja. He cared deeply for his friends and had a strong desire to bring peace to the shinobi world. His dream of becoming Hokage was a testament to his desire to protect others.

After Rin's Death: After witnessing Rin's death, Obito's personality shifted dramatically. He became colder, vengeful, and cynical. The trauma of losing Rin, combined with Madara's manipulation, changed his worldview. He came to believe that the world was filled with endless suffering and conflict. This led him to support Madara's Moon Eye Plan, which aimed to create a dream world where everyone could "live happily" without pain.

Tobi's Identity: For many years, Obito hid his identity and operated under the alias "Tobi." As Tobi, he manipulated Akatsuki from behind the scenes, acting as a major antagonist working to implement the Moon Eye Plan. While Tobi often appeared silly and reckless, behind the mask, he was extremely cunning and dangerous.

Inner Struggle: Despite his outward villainy, Obito constantly struggled with guilt and longing for his former ideals. In the end, Naruto reminded him of who he truly was, forcing him to confront the choices he had made.