(^_^)'

There should be a site with all of the various knock-offs collected. It's certainly struck a chord with people.... e.g. taro3yen's versions and these: http://www.loneleeplanet.com/2009/02/tokyo-metro-manner-posters-recaptioned/

Check out my Metro posters.
http://news.3yen.com/2010-01-03/train-manners-poll/

DJ Ozma? Is that you?

Ha ha ha! If you sent a print of it to me, I might try sneaking it into an empty spot on a CTA “L” car.

Considering the hell of a long subway commute with just one or two psuedo-minstrels yelling in your ear "for fun", don't do it in NYC or London either. Subways are only "fun" for tourists.

Nah... I'd rather do it on the Yamanote line than in America.