feedback on character

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[img]http://twitpic.com/nyxru
[/img]
thats the villain called "sai" for my animated movie called "the storyteller".
i could really use some first impressions and tips on making it better.

also here is a example i used him in:
http://www.youtube.com/watch?v=FYAdx-5eCXk

any feedback welcome

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this is out of date anyway...