Takeshi Yamamoto is a prominent character in the anime and manga series Katekyou Hitman Reborn! He is a cheerful and friendly high school student who excels at baseball. Initially oblivious to the mafia world, he later becomes one of Tsunayoshi Sawada's closest friends and the Vongola Family's Rain Guardian. Takeshi is known for his optimistic outlook, loyalty, and swordsmanship skills, making him an indispensable ally and a fan-favorite in the series.