WoW 11 pages for that oO
If you see a name that you believe is inappropriate, place a GM call, report it and you are done. Nothing more to do. No need to go to a website or whatever.
GM's job to determine if the name is appropriate or not. If not, the offending player may receive a penalty (depending on the name). Things like racism are most likely to be severly punished. Offending player will be forced to pick a new name.
The above applies to retainers, linkshells and chocobos.