You have a good eye for character design. The baddieness is sertainly visible ;) You could easily reduce the amount of colors on this piece down to about 20 (2 to 3 shades of each color is a pretty good rule to try and stick to). I don't have any critique on the style, I love it and it's consistant through out the series of characters you've done, so theres no reason to start tweaking now :) Keep it up.
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