Guys, it has been int he rules since day 1. If you were too dumb to remember that even adults can be offended by rude and inappropriate names (i.e. calling your toon "Allah" or "Jesus" just might piss somebody over the age of 13).
There was a time that YNK (not since PWi) enforced offensive naming by renaming you to rock####. I remember a guild called MotherF***ers that got removed a day after it was created. It was not just from GMs wandering the game and taking note of offenders. Also other players that reported people were getting people 'rock'ed.
Since Karazy is saying he will be changing them to something goofy, I would expect your guild to be renamed to something a little less offensive like "PinkBunnies" or "PuppyPatrol".