Can't the top of the hat be alpha'd? It seems like it could be smoother and might be wasting polies. Whatever, dat texture is sooooooo good. I love the non-filtered look.
Working away on this portfolio piece, hand painted MMO style Ogre, mainly just a rough block out for the texture apart from the face and 'hat', which i've started to detail.
maybe you could test with a strong backlight, and some wax effect to kill that cold shader skin, ( plus I suggest integration tweak for the hair eyes & hat on the skin ; p ) very impressive sculpt, congratz men !