Where does the left hobo's head come from at 0:18
It appears to be this minifig, but the face is further customized with a marker. If you look at the eyebrows and the eyebags they have the same lines. But the mouth and nose and painted over, and the hair is darkened as well: http://www.bricklink.com/catalogItemIn.asp?P=3626bpx109&amp;in=M