This reminds me of an old illustration of Fafnir. Not identical, obviously, but it looks a lot like the one in the old illustrations (it was from a book, if I remember correctly, and there were more than one of him in it). You did an awesome job in any case, Tojo. I love it.
Link
GuzzleMuzzle
I'm no visual expert, but this is an improvement in your style. :)