Yugi. the main protagonist of the original Yu-Gi-Oh! series, along with Yami Yugi. It was stated once that Yugi is the modern-day version of Pharaoh Atem. Yugi possessed the five-thousand-year-old mystical Millennium Puzzle, which allowed his body to bear host to the spirit of the Puzzle, Yami Yugi. Yugi was initially unaware of his existence and control of Yugi's body and would involuntarily shift to Yami Yugi at trying times.