Very interesting design. It looks like it's part-tree.
Pretty fast! And fair enough — I mistook the yellow 2x2 cluster closest to the teeth as an eyeball... looks cool either way.
On this one? I think 3-5.(took some breaks and was half in a chat and half wroking so cant pinpoint the hours down correctly)
Also it doesnt have an eye :D
You could stand to make the eye stick out a little more, but this is really impressive regardless. How many hours are you averaging while drawing these?