You’ve seen it around town: a stencil of a smiling face labled “BORF,” sometimes accompanied with a quirky statements. The work of the enigmatic Borf can be seen along U Street, in Adams Morgan, in the West End, Foggy Bottom, in Georgetown, and even at least one in Virginia. Just who is behind the graffiti? While we still haven’t met him, a little internet snooping has unearthed some clues. His has sparked a post…