Lihkan... interesting idea. I don't think it was a helmet, but more of a headdress/hood type thing. But it would be neat. My only problem is that he is dead, and never coming back, thus has little use in my collection...
How awesome this sounds after a few story relevations You should reconsider building him.
That mask is awesome, luck it didn't break during the cutting or the making of the MOC it seems pretty fragile.
The use of the weel in the torso is epic it perfectly resembles 2001
One point of criticism: The fingers, arent they a little short, I suppose exo-fore robot arms would'v worked better, but thats your choice.