Sculpt practice, about 3 hours and 30 minutes, Blender/DynamicTopo/DirtyVertex
I would have like to give it more detail, but my PC was about to die just as it is :C
Nice work, a rather interesting design to say the least. I do agree that he seems to borrow a page or two from Smaug, but it only constitutes a small fraction of the overall form.