Crust Layer: The planet's outermost layer, composed of organic material, rock, and a limitless supply of crude oil.
Spider Layer: Where all the goddamn spiders come from, there are so many goddamn spiders.
Vegelayer: A 400-mile-thick layer of Vegemite. The three natural Vegemite springs on the Earth's surface have their wellsprings here.
Puppy Dog Layer.
Cotton Candy Layer.
Bunny Rabbit Layer.
Killswitch Layer: A 300-mile-thick layer of highly potent explosives, allowing the aliens that created us to obliterate us at any time.
Tartarus Layer: A series of caverns howling with the endless echoes of Rush Limbaugh's laughter.
Underbrain Layer: A thick layer of neurons which form Earth's well-documented and capricious brain.
Inner Layer: Home of Zoltan the Earthfrog, whose ribbiting is the cause of sadness amongst all Earth's creatures, whose existence does sustain our own.