“The purpose of this making of is to outline the tools and techniques I used in the creation of my image, Hornedman. The image started as a sketch inside ZBrush and grew from there into the final image almost by accident. Sketching characters in ZBrush is a great way to concept ideas, mess around with forms and come up with cool new things.”
http://www.3dtotal.com/team/Tutorials_3/makingof_hornedman/horned_man_01.php