It sounds more like the moon is just earth spare parts. Like when I put things back together. Always a bin of extras that hang around in the back of the truck, sliding around and what not.

The Moon by Dark Moor

There's also an argument that the moon isn't actually a moon since it doesn't actually orbit around the Earth. If you look at their respective orbits, the moon and Earth kind of shift places like a spinning helix pattern and the orbit of the moon is more tied to the sun than the Earth.

I haven't watched this all the way through, but it looks to largely cover the same material. I don't know how common this is among moons, but I think it makes Earth's relationship with its moon that much more special.

Forgetting Pluto and Charon, drag sees.