User blog comment:ERBofSmoshery/Greek Myths Battle Royale/@comment-26842383-20140627233030/@comment-24408988-20140628042203

As told by my cousin, the Romans stole the Greeks' religion and renamed most of the gods, which later became planet names

Hermes = Mercury

Ares = Mars

Zeus = Jupiter

Poseidon = Neptune

Hades = Pluto