Well the outlines around his arms are pretty much horrible.
I'd ditch the outline altogether (like you did with his hat and overalls) or make it a solid outline (without AA) and then colour the line according to your lightsource. Last suggestion I have for you is pick your own colours. If you like Monsoon's colours, then take a look at the sorts of colours he picks across a number of different pieces, searching for trends, and then try and pick a palette of your own that is somewhat similar from what you've learned.

Apart from that, you have a somewhat original - and instantly recognisable - design, so

I guess.


Wasn't sure which was your intended sequence...
I'll leave the animation for someone else to crit, but for the future, if you're going to ask someone to animate it for you, at least take the time to arrange and line up the frames.