The tools are simple: A shoe brush, water and elbow grease, he says.

British authorities aren't sure what to make of the artist who is creating graffiti by cleaning the grime of urban life. The Leeds City Council has been considering what to do with Moose. "I'm waiting for the kind of Monty Python court case where exhibit A is a pot of cleaning fluid and exhibit B is a pair of my old socks," he jokes.