Thanks for the kind words everyone. Warlocklord, I'm certainly not trying to boast when I say I just doodle this... It's just my style which I adopted lately, it just makes sketches like these easy. I blot down huge splashes of color, namely gray and/or black, and then I use finer white lines to work out the details. It's not very traditional, but it's sorta my go-to when I have nothing else to do. Glad you like it!
But enough about me, lol. Discovered this on dA today - now that's a terrific sketch: