Pachycephalosaurus

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Phew.  I hope I spelled that right.

When I was a kid the pachycephalosaurus was one of my favorite dinosaurs.  I think it was due to my love of headbutting things.  Unfortunately I was never able to pronounce the name, so my parents never bought me any sweet pachycephalosaurus swag.  Curses!

My top three dinosaurs are as follows (in order of name length):
1. Ankylosaurus
2. Parasauralophus
3. Pachycephalosaurus