Evan Roth: Bad Ass Mother Fucker.

"Evan Roth is an artist and researcher based in Paris whose work explores the intersection of free culture and popular culture. His notable projects include L.A.S.E.R. Tag and LED Throwies (Graffiti Research Lab), White Glove Tracking, EyeWriter, Graffiti Analysis and a collaboration with Jay-Z on the first open source rap video."

This guy has done some brilliant work in many areas.Amazing. That's it...
Also he is the number 1 search result for Bad Ass Mother Fucker. 

GML = Graffiti Markup Language from Evan Roth on Vimeo.

Graffiti Analysis: 3D from Evan Roth on Vimeo.

Cache Rules Everything Around Me from Evan Roth on Vimeo.

Visit Evan's Website Here: http://evan-roth.com/ 
Or... do the search.