Masashi Kishimoto(岸本 斉史Kishimoto Masashi) (born 8 November, 1974) is a Japanese manga artist, well known for creating the manga series Naruto. His younger twin brother, Seishi Kishimoto, is also a manga artist and creator of the manga series 666 Satan and Blazer Drive. Two of his former assistants, Osamu Kajisa (Tattoo Hearts) and Yuuichi Itakura (Hand's), have also gone on to moderate success following their work on Naruto.