Not that I think I could produce something good enough for a project like yours, but how's that likeness to your glukpud guy? tips? (working in sculptris)
More screenshots:
http://i40.tinypic.com/20t0wn6.png
http://i43.tinypic.com/2pob6zp.png
I'm trying to get the shape as identical as I can. I'll worry about refinements later..