Peter Callesen is an amazing artist, I mean look at what he can do with a single piece of paper. To see more visit his website here.
Sharpies are amazing. I have a black one and am looking to add to my collection, but they seem hard to come by in South Africa. Anyway, how cool is the decor in The Ace Hotel. And yup all the art is done with a Sharpie. It's done by the very talented Timothy Goodman and you can read more about him here.
How cool is this? Kevin Van Aelst is a food artist and does some amazing stuff with food. Check out more of his incredible artwork here.