I love it. But calcium-lime-rust is right, it doesn't exactly look like him; I think maybe the face could be more slim, his left eye could be lifted a bit, and both could be made the same size as the other, and his nose could be straightened some. It also seems like his moustache wraps around and connects to his lips....maybe even make the 'stache less distinct and more five-o'clock-shadow-y. But you have done great with the limited palette. With a bit a work, this thing will be spot on. Can't wait to see more stuff.