Italian Graffiti Artist BLU does it a little differently.

http://www.blublu.org/
There’s plenty of Blu’s art online, but frustratingly little about the artist himself – this is the most complete biography we found. What we do know is that he’s an Italian street artist known for his incredibly compelling style and the well-loved innovative stop-motion animation MUTO. His work can be seen in London, Berlin, Prague, Barcelona, and all over Argentina. His website is full of wonderful things, including lots of sketches and photos of past painted walls.