 She also helps him directly by transforming him into an old beggar in the later books of the odyssey.Athena has also helped Odysseus indirectly by planting ideas into his head and by causing the javelins of the suitors to miss their target when Odysseus finally engages them in book 22.Poseidon is the Greek god of the sea and the brother of Zeus, Hades, Hera, Hestia and Demeter.