Yugi Mutou is a fictional character and the main protagonist of the Yu-Gi-Oh! manga series created by Kazuki Takahashi. Yugi is introduced as a teenager who is solving an ancient Egyptian puzzle known as the Millennium Puzzle, hoping it will grant him his wish of forming bonds. After solving the Puzzle, Yugi revives an ancient spirit initially known as Dark Yugi ; his true identity is later revealed to be a pharaoh of Ancient Egypt named Atem . Over the course of the series, Yugi forms friendships with the supporting cast, interacts with Atem, and learns about his past. Besides the original manga, Yugi has also appeared in anime adaptations, films and video games based on the franchise. His ace duel monster card is the "Dark Magician".

Yu-Gi-Oh! is a Japanese manga series written and illustrated by Kazuki Takahashi. It was serialized in Shueisha's Weekly Shōnen Jump magazine between September 1996 and March 2004. The plot follows the story of a boy named Yugi Mutou, who solves the ancient Millennium Puzzle. Yugi awakens a gambling alter-ego or spirit within his body that solves his conflicts using various games.