Gilgamesh (ギルガメッシュ, Girugamesshu), also known as Archer (アーチャー, Āchā), is the Archer-class Servant of Tokiomi Tohsaka in the Fourth Holy Grail War of Fate/Zero. He later forms a new contract with Kirei Kotomine that lasts ten years later into the time of the Fifth Holy Grail War of Fate/stay night.