Well he isn't a member of the crew, and thus is not obligated to :P
Beyond the point though, I've learned there's better ways to approach the situation anyway.
Arrows in graffiti are very modern. As a matter of fact, graffiti is very modern. Noir is all based around movies from the 50s about the 20s. It's not a matter of making it too narrow, it's just that people aren't familiar enough with it :P
Anything old-fashioned will probably be really cool. Think fallout. That cold war chic look. Neon signs, cigarettes, city streets, rain, fedoras and bowler caps, revolvers and brass knuckles. There's a lot you can do with it. :V