Its good, seems simple but i like it, your making good progress with your work mate, ive been watching since you started here. only thing i have to say is it feels a bit empty on the right, you could get around that however by adding a few more smudge strokes or that pen tooling thing. 9.5/10
I remember when you'd post a signature, and within an hour you'd have 5+ replies... It looks good. Colour is okay, but it desperately needs more depth. Right now it's extremely flat.
ya i was finding depth a problem as well i kept killing the contrast making it stand out more. His shoulder was exploding.