Watch out for making the head too big! The shoulders are at different heights on the body, even if one is raised. Things are anatomically cramped. If you look closely, the entire torso is only one head tall, which is very jarring. The feet are very square-like, so maybe you could round those out?
But this also has a lot of other good things going for it. I lik the detail of the head in the treasure chest. The bone structure of that chair is a neat idea, too. The skull on top of the barrel give is a lot of attitude, and I think if might be my favorite part, haha.