I also came across this the other day (in the same internet browsing session as the neckless duck I posted a few moments ago), and thought it worth sharing:
They look like quite interesting and animated clay faces, don’t they? Wrong. They aren’t clay at all. They’re intriguingly made from mangled and contorted origami-inflicted loo rolls by a man named Junior Fritz Jacquet, and more of his work can be found here.