Italian artist Giuseppe Veneziano updated the Greek myth of Perseus and Medusa with this sculpture. It's a bit harsh. I mean, Ronald McDonald never turned anyone into stone.
Artist's Website (some NSFW images) -via Kurositas | Photo by Flickr user mamasaurus rex used under Creative Commons license
UPDATE: In the comments, Sylvian proposes that this sculpture is actually a take on Caravaggio's David with the Head of Goliath. I think he's right.