'''Atem''' is an ancient Egyptian [[Pharaoh]] who had sealed his own spirit/soul within the mystical [[Millennium Puzzle|Millennium Pendant]]. His spirit then took on the identity of [[Yami Yugi]], which resided in the body of [[Yugi Muto]], after Yugi solved the [[Millennium Puzzle]]. It was stated once that Yugi is the modern day version of Atem.<ref>{{episode|Yu-Gi-Oh! (anime)|222|ref}}</ref>. He is the centerpiece of the ''Yu-Gi-Oh!'' series, and is the driving force behind most of the events that transpired during the series, with the exceptions of the [[Domino City Battles]], [[Virtual World (arc)|Virtual World]] and the [[Grand Championship (arc)|Grand Championship]] arcs.