Polycount's Mutant League

Hi again! This time I started something new... This is going to be my entry for Polycount's low poly challenge "Mutant League". So, here is my Mutant:

Reference images:

 And the first W.I.P.

He's the result of a genetic experience where they mixed some genes from a Rhinoceros with the human DNA so the result would be an intelligent and extremely strong humanoid...