Contrary to popular belief, it was not created by a rogue planetoid crashing into Earth during its early formative stages. No, it was an egg. This is canon. Seriously, this actually happened in the show.
THE MOON IS KILL
For whatever reason, we refer to it as 'the moon' even though there are hundreds of billions of moons in the universe.
It does have a Latin name - Luna - however since most objects on space are named after Roman mythological characters, I guess it doesn't count?