Zbrush and Keyshot as usual....Hope you like it!! ;)
(http://th03.deviantart.net/fs70/PRE/i/2013/214/f/f/mini_mike_by_nachoriesco-d6gaxjy.jpg)
http://nachoriesco.daportfolio.com/ (http://nachoriesco.daportfolio.com/)
That looks great, and awesome detail in the iris!
Is the skin a procedural leather? If so, maybe the two color values could be a little closer together, right now the contrast seems a little distracting. Just my two cents :)