I think the veins bulging out from the already bulging muscles are a missed opportunity. They could have a little extra color, since the creature appears to have no hair or fur of any kind.. Humans' veins appear blue or green when they're close to the surface--this creature could have green or purple or brown-looking veins. I think that might add to his horribleness. :)
Now I'm going to have nightmares.
Normally I ding minis for being freakishly formed, but here it is so obviously intentionally so that he gets points for those skinny legs. He's supposed to be a total freak! I'd love to see a profile to figure out what's goin on with his head.