So this beastie is Adia, my soul-eater I created forever ago. This is what he looks like when he is changed into his full-out berserker form. (I used to have a pic of him just normal, but I've lost it :(
Any way, just a line art of him.
Adia (c) ME
A song that fits him is "Pet" by A Perfect Circle
http://www.youtube.com/watch?v=lrEP3RPgEao