Based on the Magic: the gathering card. http://i69.photobucket.com/albums/i47/Manixolated/GoblinSnowman.jpg
Modeled in Zbrush, postwork in Photoshop.
Awesome likeness and a great idea. Nice to see people using MTG cards for reference 
If you wanted, you could even add some more shadows using Photoshop, but I think it looks good as it is already. Nice work!
Thanks for commenting.
Yeah I’ll no doubt tweak the image a bit sometime down the road, I do that all the time.