Ok we had the Ron Mexico one and some others but I found quite a few I thought I'd share

Gangsta Name Generator
http://gangstaname.com/

Pimp Name
http://www.playerappreciate.com/pimphandle.asp

Prison Bitch
http://www.prisonbitchname.com/

Lesbian
http://www.lustydevil.com/lesboname.html

Porn Star
http://www.jasonschock.com/gangsta/porn_name.php