Various names, legends and characters from different mythologies are used in the manga, anime and musicals.
- Selene: as mentioned several times by Queen Serenity herself, in Greek mythology Selene was the goddess of the moon.
- Endymion: in the mythology Endymion was, depending on the version, the king of Elide or a shepherd who Queen Selene fell in love with; she asked Zeus to make him immortal but when he did, he put him into an eternal slumber and every night Selene visited him.
- Artemis: is the goddess of hunt and a lunar goddess, later she was identified with Selene.
- Helios is the titan of the sun who drove in a solar chariot; this role would later be associated with Apollo.
- Luna: is the Roman name for Selene.
- Diana: is the Roman name for Artemis
- Mercury: is the Roman messager of gods and the patron of boundaries and of the travelers who cross them, of shepherds and cowherds, of the cunning of thieves, of orators and wit, of literature and poets, of athletics and sports, of weights and measures, of invention, and of commerce in general. In Greek he was called Hermes.
- Venus: is the Roman goddess of love and beauty. Identified with the Greek goddess Aphrodite.
- Mars: is the Roman god of war. Identified with the Greek god Ares.
- Phobos and Deimos: Warrior gods who followed Mars into battle.
- Jupiter: is the Roman god of thunder, and the King of gods. Identified with the Greek god Zeus.
- Saturn: is the Roman name of the Titan Cronos, father of Jupiter, Neptune and Pluto and son of Uranus, he is often confused with the god of time Chronos. Saturn was the King of Titan, armed with a scythe.
- Uranus: is the Roman personification of the sky.His Greek name was Ouranos
- Neptune: is the Roman god of the seas. His Greek name was Poseidon.
- Pluto: is the Roman god of the Underworld. He was called Hades in Greek.
- Holy Grail : in Christian traditions, it is most often identified with the dish, plate, or cup used by Jesus at the Last Supper and said to possess miraculous powers.
- The Three Talismans are inspired by the three Sacred Treasures of Japan: Kusanagi (the sword), Yata no Kagami (the mirror), and Yasakani no Magatama (the jewel).