A king of Uruk said to have been 2/3 God. He is the main figure in the Epic of Gilgamesh, which details the friendship between him and Enkidu. Enkidu's death would make Gilgamesh seek the secret to immortality from Utnapishtim.
Known as Gilgamis, he appears as a boss in the Old Tower in Light Version. Gilgamis dislikes humans due to being imprisoned in the tower against his will, and doesn't like the fact that he lost to Jin. He agrees to join him only because it would mean freedom from the tower.