I made this in about 3-4 hours on and off. It was inspired by PLasmaghost's comic book character, Super Tau
I gave him an Iron Man suit.;)
CnC on lighting would help
http://ninjapivotslayer.deviantart.com/art/Iron-Tau-391006448

Here's the primary sketch
http://www.filz.us/view/36fce788-d71/