Snaqwells wroteI have no idea what he looks like. I just assumed he looked like a fossil.
I don't know either, but every time I see his screen name, I think of this:

As an academically trained geologist, it really bugs me that Tyrannosaurus rex is, because of the movie, associated with the Jurassic Period. Tyrannosaurus rex lived in the Cretaceous Period, approximately sixty-eight to sixty-five million years ago. About an eighty million year error. The movie should have been called Mesozoic Park. I will now get off my geologist soapbox and return you to your regularly scheduled Forum posts.