Darn it all...the boss is gonna mess me up this time for sure. Wait a sec...what if we get help from a certain green hedgehog just as nasty as we are? That pesky hedgehog will be outwitted for sure BRAH HAWWK BRAHHWAK!!!
I like it, and I am proud of the effort you put into it...
but, and this is probably just me since I tend to be a bit nit picky, but this is about Grounder's eyes. Okay, bear with me as I explain this: Grounder's eyes are like an analog gauge. each is made to look like some kind of gauge, where the bottom part of his eye acts as the circular mechanism (it's all black for the circle part, everything above it is white), and the pointing part of the gauge acts as his "pupils". It's creepy and weird, but Grounder's eyes work that way.
And the gauge at his belly is okay, but can't it be just like Grounder's eyes, just a small circle with a thin long pointer on it. Aside from all that, good job.
And before anyone says anything, I love your 3D art, Joe. You do what the guys that modeled for Super Smash Brothers Brawl failed to or didn't want to do: get tons of characters in 3d and make them look good. I'm sure I favorited that one you did with Fang the Sniper. So I love your art, man, but I am willing to help with accuracy, even in small details, if I notice something a bit off. Just saying.. I can tell the difference between the two different helemst Samus Aran wears in the Prime games and in the other games. Good luck with the rest, man!