I love Hellboy and I wanted to have my own take on it, I mutated his arm by exploding the Radius and Ulna bone of the arm and also gave him wings to have a little bit of devil vibes to him. Initially, the idea was to just sculpt for 3d print but I got carried away with texturing and lighting.
Zbrush Turntable
Zbrush Turntable
Substance Painter Walkthrough
Marmoset Toolbag Walkthrough