Somebody of something

I made this guy just for practice. Took me a week or so. Idk who it is, but it’s some kind of sci-fi warrior/red indian with a power engine/sphere on his back. In this sphere there should be a monster imprisoned and connected to power source. But I’m sick and tired of this guy, so maybe i’ll finish him later 'cus there’s clearly tons of stuff to do with him. Enjoy.

Done in blender 2.61 and zbrush.