Metal Gear Rex Fan art, it doesn´t look like it but i messed up the mesh, i wasn´t sure how to optimize my poligon count at the time, it was one of my first blender models but the render looks good.
Shader credit goes to BlendSwap user CGAlpha, you can find the shader here http://www.blendswap.com/blends/view/80709
This is really good! Keep up the good work :)