Your character has got some weird topology on the torso area, also the head geo could be down rezzed quite a bit. If you're going for the hand painted look, would be better to do flat shading on your model, I usually increase the incandescence of the material in Maya to full so no lighting effects it.
If your hand painting I suggest no Normal Maps. They wont blend well with your Style. With this style you should remain painting in your Highlights & Shadows to fake the Normal Map. I use Imgur works best for me, Fast & no one ever see's them because people only see the Images with Ratings. As everyone else has said turn…