Seto Kaiba (Japanese: 海馬 瀬人, Hepburn: Kaiba Seto) is a fictional character in the manga Yu-Gi-Oh! by Kazuki Takahashi. As the majority shareholder and CEO of his own multi-national gaming company, Kaiba Corporation, Kaiba is reputed to be Japan's greatest gamer and aims to become the world's greatest player of the American card game, Duel Monsters (Magic & Wizards in the Japanese manga). In all mediums, his arch-rival is the protagonist of the series, Yugi Mutou, who is also a superb game player. He is the modern day reincarnation of one of the Pharaoh's Six High Priests, "Priest Seto", who appears in the manga final arc. Kaiba has also appeared in related anime works and feature films.