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So what is the point of this character in Platinum? I mean I guess he takes over for Cyrus when Cyrus disappears, but do they tell you anything else about the character?
Now we're talking about Charon... That page you're referring to says Charon is named after a satelite of Pluto. And it says the Galactic Commander are named after a planet, just as i thought when I played Pearl/Diamond.
But when I played Platinum, I started to think the Commanders are called after people/gods in the Roman mythology. Think about it: Mars (god of war), Saturn (Jupiter's dad), Jupiter, Charon (the boatsman of the Styx) and -in Japanese- Pluto (god of Hades). Even the planets are called after them.