Nyan Cat, which is either the best or worst thing to happen to the internet in 2011, is certainly the best thing to happen to Duke Nukem Forever in this clip from the game's opening stage.

Having seen (and, admittedly, drawn) a dick or two on that whiteboard in my time, it's great seeing somebody get a little more creative with it.

Duke Nukem Forever is Suddenly All About the Rainbows

[via Gamefreaks]