Kneel before Nihil

An illustration for "The Compendium".  Nihil has a propensity for ripping people's souls out of their chests, leaving an obedient soulless husks at his beck and call.  But what of the grin on his face?  Whatever could it mean?  Ah, believe me, you don't want to know.  Let's just say it's not because he's watching a "Hogan's Heroes" marathon.