(C'mon, you know he has him backed up somewhere.
In honor of The Next Day
, the utter awesomeness of which I have not stopped squeeing over since it was leaked. Roy "Ram" Kleinberg, you have no idea how happy we all were to learn your name.~
Photoshop, background/color/sketch layers and two more layers for the blue lines, messing around with the normal hard round brush and some softer brushes and overlay/multiply/burn for the shadowy bits.