User blog comment:Percy Jackson12/The Seven/@comment-4629749-20111019005721

Hades, Poseidon, Zeus, Ares, Aphrodite, Hephaestus, and Athena or their roman counterparts Pluto, Neptune, Jupiter, Mars, Venus, Vulcan, and Minerva. So I think Hazel, Percy, Jason, Frank, Piper, Leo and Annabeth.