This guy has been done during the Comicon Challenge 2014. 
It is an interpretation of Skeletor of The Masters of the Universe.

Below you can see the final highres sculpt done in ZBrush.

If you are interested in more info you can find the WIP thread here:
http://www.gameartisans.org/forums/threads/62808-Comicon-2014-3D-Throbberwocky-Skeletor