Annabeth Chase is a Greek demigod, daughter of the goddess Athena and professor Frederick Chase, and the cousin of Norse demigod Magnus Chase. Annabeth is one of the main characters in the Percy Jackson and the Olympians series as well as in The Heroes of Olympus series, as she is one of the Seven demigods of the Prophecy of Seven. Annabeth is the architect of Olympus and the former head counselor of Athena's cabin. She is currently the girlfriend of Percy Jackson.