James Arnold Taylor, also known by his initials JAT, is an American voice actor, writer, producer and podcaster. He is known for portraying Ratchet in the Ratchet & Clank franchise, the main character Tidus in Final Fantasy X, Shuyin in Final Fantasy X-2, Obi-Wan Kenobi in the Star Wars animated features such as Star Wars: The Clone Wars and the franchise's video games, and the titular character in the animated series Johnny Test.

Tidus is a character in Square Enix's Final Fantasy series and the main protagonist of the 2001 role-playing video game Final Fantasy X. Tidus is a 17-year-old from the city of Zanarkand who is transported to the world of Spira following an attack by the creature Sin. Shortly after his arrival he meets and joins Yuna, a summoner and her guardians in a pilgrimage to kill Sin, after learning the massive creature is his missing father Jecht. He has appeared in other video games, including the Final Fantasy X sequel X-2, the Kingdom Hearts series, and several Square Enix crossover games.