I don't know but my solution is to use a bland name for the first playthrough e.g. Link in Zelda games and then something ridiculously rude for the subsequent playthroughs. Not much use if one only wants to play the game once admittedly but there you are.
I used to use my real name as a kid for the thrill of seeing it up there on the screen, but as I got older I started to keep the default name. Didn't help when in e.g. Secret of Mana there was no default name and you wanted to have something cool and fantasy-esque, but were limited to six characters. I probably spent hours in total looking at the Mana naming screen, between all three party members...