I had a fist draft of this build, but I wasn't very pleased with many of the details, so I kept the ones I liked and started over completely from there. It was only after making it that I realized how much it looked like a skull from above. Thus the name formed.
About this creation
I entered it into the speeder bike contest on flickr, just for fun. I have recently recognized how fun it is to build this type of thing. It's basically like a over-praised awesome tablescrap-type style of building. Thanks for looking!
Here you can see the skull shape. See the eyes and nose?