Yu-Gi-Oh! (遊☆戯☆王 Yū-Gi-Ō!?, lit. “Game King”) is a Japanese manga series about gaming written and illustrated by Kazuki Takahashi. It was serialized in Shueisha's Weekly Shōnen Jump magazine between September 30, 1996 and March 8, 2004. The plot follows the story of a boy named Yugi Mutou, who solves the ancient Millennium Puzzle. Yugi awakens a gambling alter-ego within his body that solves his conflicts using various games.
[2016-08-18 Wikipedia Yu-Gi-Oh!]