Yu-Gi-Oh! is a manga made by Kazuki Takahashi and was published in Weekly Shonen Jump starting in 1996 and ending March 8, 2004. The anime adaptation aired on TV Asahi starting April 4, 1998 and ending October 10, 1998. The Yu-Gi-Oh! Duel Monsters series was produced by NAS. It aired on TV Tokyo Starting April 18, 2000 and ended on September 29, 2004.
Yu-Gi-Oh! revolves around Yugi Mutou, a weak boy who loves games. He comes across an artifact called the Millennium Puzzle and solves it. This then causes a spirit to manifest in him. Yugi and his fellow card gamers are threatened by people with hearts of darkness. Yugi challenges these people to Shadow Games where the personality of one’s heart is revealed. As the series goes on, it is revealed that the spirit that manifests in Yugi is a Pharaoh from the Egyptian era. Yugi and his friends attempt to restore the Pharoah’s memories and battle other gamers along the way.
Yugi Motou – Yugi is a weak young boy who loves games but is bullied for it. One day, he solves an artifact called the Millennium Puzzle. A spirit then manifests in him who turns out to be an ancient Pharoah.
Yami Yugi – Yami is the ancient Egyptian pharaoh, Pharaoh Atem, who is released from the Millennium Puzzle and manifests in Yugi. He helps Yugi save his friends from the evil gamers who possess other Millennium artifacts.
Jounouchi Katsuya – Jounouchi is also a gamer who used to bully Yugi along with Hiroto. He then regretted doing so when Yugi stood up to Ushio when he was beating up Jounouchi and Hiroto. He then became Yugi’s best friend.
Seto Kaiba – Seto is the Egyptian incarnate of Priest Seto. He’s the CEO of KaibaCorp, an international gaming company, and seeks to defeat Yugi. His special card is the blue eyes, white dragon card which coincidently, Priest Seto also used to have.