Sidewalk chalk guy. Sidewalk chalk guy «« back to gprime.net all material copyrighted by its original creator | Sketch Swap. Street Art: Bite Your Spray Can! Last year, I featured the fantastic outdoor murals of Smug, since then, he has continued to do quality work which can be viewed here. See also: “Bald Eagle, Yoda and Friends.” Top: Photo © SmugOne. Photos © SmugOne Link via Street Art Utopia. DeviantART muro.