I would suggest incorporating somthing you like into your name, i enjoy boose, so i went for endles vodka! (Simply because endlessvodka seemed dumb) just put a good word in front of somthing you like or love, but not a special person, otherwise others wont understand (btw, endless beer is availibke lol)
Super Sitter.
healthcare housekeeper
something that is catchy
You can find suggestions for catchy business names online using websites such as Brandroot and NameRobot. You can also use the WORDROID creative naming service.
Computer Olympiad
Guys:SworddrawerAxemanKilljoyGirls:BitethemdogsSwordchichotdagger
There may be certain celebs out there that play Runescape, but names of which are confidential.
Sharky's Shaved Ice
roxto
It has absouloutly nothing todo with the game, but hey, the names catchy is it not?
my balls and garlic bread
Sperm Whale