And I give you some more:
HiTowerGoalPlanet, OceanOnimasuPlanet, OctopusTrapPlanet, PhantomCavePlanet, SeaStormPlanet, WaterTransparentPlanet and WaterTransparentPlanetLow all contain the same temporary high model. OceanOnimasuPlanetLow, OctopusTrapPlanetLow, PhantomCavePlanetLow, and SeaStormPlanetLow also all contain the 1% GP model.
SandGolem's model appears to be missing, though this could be a viewer bug...
GridPlane may be used, but it's definitely not seen anyway.
And DevilTail looks roughly the same as PoleBottom/PoleTop. That could be a clue as to where it was used...
There's this model in FlexibleSphere:

I suppose this would be to test the gravity of a non-solid planet.
And this model under IceMan:

This is an unused character, possibly a boss, that you would obviously find in an ice level.
This is the model under PigPoppo that Peardian mentioned earlier:

Camo-hog goes in for the kill!
I also found a small planet-like model a while ago too, can't find it now though. It had a tree on it, some flowers and it's own skybox.
It looked really simple in comparison to other Super Mario Galaxy planets, so it may be a pre-development level.
btw, are bloopers found in Super Mario Galaxy anywhere? Because I found one under Gesso. It may be from Super Mario Sunshine.
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Mmbop bopadeebadow! |