God of Gods in the Greek Pantheon, God of the Sky
Zeus
Youngest of the First Generation of Titans, Ruler of the Titans, and Father of Zeus
Cronus (Chronos is a completely different character.)
Roman name of Heracles
Hercules
Based on the Daughter of Cepheus, name of the closest neighboring galaxy, meaning ruler of humanity
Andromeda
The man who trained Hercules (and many other Greek figures)
Chiron
God of the Dead, and the Underworld
Hades
Titan Who is Eternally Holding Up The Sky as Punishment for Being on the Side of the Titans in the Titanomachy
Atlas
Roman name of Zeus
Jupiter
Term based one of the greatest heroes, being the one weakness to a greatness
Achilles Heel
Demigod with a singular weak spot
Achilles
God of Death, son of Nyx and Erebos
Thanatos
Referred to as Both God and Titan, Credited with the Creation of Humanity, as well as Taking Fire from Olympus and Giving it to Humanity
Prometheus
Roman name of Hermes
Mercury
A Greek word meaning, cleansing, purging, or in reference to purification
Katharsis
Ferryman of the Underworld, guiding souls to the Underworld through the river Acheron
Charon
God of the Winds
Aeolus
Titan Father of all of the River Gods, Oceanids, and the Great River which Encircled the Entire World
Oceanus
Roman name of Poseidon
Neptune
Term based on the River Lethe, meaning lack of energy
Lethargy
King of Ephyra, given an eternal task to roll a boulder up a hill
Sisyphus
God of Stupidity and Foolishness
Koalemos
Father of the Sun (Helios), Moon (Selene), and Dawn (Eos)
Hyperion
Roman name of Dionysus
Bacchus
Term for when a main character in Greek literature descends to the underworld
Twin sons of the same mother, one fathered by Zeus, the other fathered by Tyndareus
Dioscuri, Castor and Pollux, Polydeuces, Castores