Toribash
As an appreciator of any geo-humor I have to give a slight nod to jet, but I prefer all the "in" jokes about soft vs. hard rock geologists or the wings of mucrospirifers. Azuma you can't possibly believe that chicken, that world traveller, master of things small and large, doesn't know about the planet/planetoid debate surrounding pluto?
What do you think he lives under a rock? tee hee hee geohumor

Where chicken lives