Zeus (Greek: Ζεύς) was the King of the Gods, ruler of Olympus and was the God of the sky and the heavens. He acted as an ally in God of War and also served as the main antagonist of both God of War II and God of War III, and was the biological father of many of the gods of Olympus and many famous demigods such as Hercules, Perseus, Peirithous and even the Spartan warrior Kratos as well as his brother Deimos.