If I was to change my name, 'Dr. Salad Bowl' would be my first choice. It's a name my brother came up with, that makes me smile.
As far as changing other people's names, Nod's name runs off her profile page, so I would change it to "Ilex". Nice mysterious name, that actually means Holly in botanical Latin. (But I would miss Nodmyheadlikeyeah, in all reality.) Some other random nonsense:
I wanted the name 'RoboOp', but some dude already had it!
I would change my name to 'ChristineJimmers', to get in touch with my feminine side.
Oncefallen should suddenly change his name to 'Twicefallen', and then 'Thricefallen' a few weeks later, just to keep people wondering what happened.
I volunteer to have mine changed to "
Johann Gambolputty de von Ausfern -schplenden -schlitter -crasscrenbon -fried -digger -dangle -dungle -burstein -von -knacker -thrasher -apple -banger -horowitz -ticolensic -grander -knotty -spelltinkle -grandlich -grumblemeyer -spelterwasser -kürstlich -himbleeisen -bahnwagen -gutenabend -bitte -eine -nürnburger -bratwustle -gerspurten -mit -zweimache -luber -hundsfut -gumberaber -shönendanker -kalbsfleisch -mittler -raucher von Hautkopft of Ulm", just to see if the site can handle it.