This might work as well, however on the bottom of this thread, Rick Tibbler asks a similar question in regards to changing one's username, to which His Divine Shadow (a moderator) replies:
Originally Posted by Rick Tibbler
"What if somebody came up with a boffo name, the name they should have thought of when they first joined, and wanted desperately to be that particular name. Wouldja let `em, then?'
'Sorry if I'm being pesky with the questions..."
His Divine Shadow: "If one member were allowed to change their name, we would have to allow all changes, regardless of reason. If you were desperate for a new name, a new account registering would I suggest you do. And we welcome questions, so no peskiness yet."
Here is the thread
http://www.tickletheater.com/showthread.php?t=34107&page=3 and hope it helps, and sorry if I went a little overboard. :stickout