Aliens falling from skies on cowboys

Ive been watching Falling Skies on TNT and I also saw Cowboys and Aliens this weekend as well.

Ive had aliens on the brain so I took a hour break to sketch this guy out real quick like in Mudbox. I just wanted to get the alien menace out of my skull, so in an effort to purge the images in my head I made my own version of some kind of gray, with a weird neck for some reason.