Turns out, the image is a ripoff of artwork from Assassin's Creed Brotherhood. http://wonkette.com/474804/hideous-3999-95-painting-of-andrew-breitbart-is-actually-swiped-from-a-video-game
I've just had to Google Andrew Breitbart. Some political commentator. One of the page 1 results was "Andrew Breitbart: Death of a Douche" so he seems like a popular hero of our recent times.
I thought this thread was going to be boring, but this made me laugh pretty hard, so now I'm glad Stern made it.