Gaia is a major antagonist in the God of War series, starting off as the deuteragonist in God of War II and the secondary antagonist in God of War III, She was one of Kratos' former allies alongside the Titans in their same mission of retribution. She is one of the Titans that seek revenge on Zeus. She is revealed to be the Great-Grandmother of Kratos. She narrated some of the franchise before God of War II.