Aside from open-toe sandals woven from banana skins, we can't really think of a more preposterous way of getting around in the snow than 'pon a unicycle. Still, he seems happy enough, and he's even got lights courtesy of the ad hoc miner's helmet.
This extreme lunacy was spotted by ace photographer Paul Clarke on the streets of Purley this evening. Check out his rather good Flickr stream here.