I changed my forum name a little after I first joined. I started by using the name "cofi" a slang term used locally to describe someone from my home town.
I thought this a little too obscure and so I changed to the forum name "Cymro". Still a name that means nothing to most of you but is at least known to my fellow countrymen and comes up on Google to anyone who feels inclined to investigate.
Some names used on this forum are absolutely intriguing. So how and why did you choose your forum name then?