Holy Crap! That is awesome! I would feel bad eating it because it was so cool. But then I would get hungry and eats some. Then I would feel bad again and get depressed. Then to comfort myself I would eat some more... its a vicious cycle.
You could probably do a simple red/black layered cake with a transfer on top representing him. But I wouldn't no where to start on what kind of interior effect could be achieved that would actually represent him.