Tidus is the main protagonist of the video game series Final Fantasy, specifically in Final Fantasy X. He is a skilled athlete known for his talent in blitzball, a popular sport in the game's world. Tidus is characterized by his cheerful personality and determination, which drive him to face various challenges throughout his journey. In Final Fantasy X, Tidus finds himself transported to the world of Spira, where he meets other key characters, including Yuna, a summoner on a quest to defeat the monstrous entity known as Sin. As the story unfolds, Tidus learns about his past and the connections between his world and Spira.