I have seen a few artists posting their designs, so i guess its ok to share mines! These were designed for the Masters of Anatomy Character Design Book. Go and grab one copy if you haven´t already, its full of awesomeness.

"Imagine being in a classroom made up of the greatest character designers in the world - artists who have worked for Disney, Pixar, DreamWorks, Sony Animation, Marvel and DC. Imagine what you could learn from seeing these incredible artists tackle challenging character design assignments. Character Design Master Class: Book One will be our first entry in a series of books that aims to improve your ability to design meaningful and modern characters. Over 130 of the world's greatest character designers were hired for this massive volume!"