This question's been bugging me for a while:
In Petalburg City, you can make a profile for yourself. Does this have any effect on playing, or show up anywhere in the game? my only thought would be that it could be a multiplayer thing, perhaps your "opening statement" when battling a friend in their secret base (never done it), but I have no idea.
Also, post your profiles here (is there a place already for this? if so, my apologies.). Mine is
(TOO LATE) (TO)
Not incredible, but I just started a new game (just found out about the duplicating glitch after using a ton of TM's) so I'll fix it later on, after getting some new words.