3DS name thingy, I don't know.

So I was playing Luigi's Mansion: Dark Moon the other day, and tried a ScareScraper server. Now, I would go under a certain name, but I don't want to go under that one. Is there are a way to change which name I would go under? Or am I stuck with that forever?
(oh yeah, and I decided not to play that server because of the name I would go through. Personal reasons.)

If you go to System Settings > Profile > User Name, then you just change your name.

I think if you change your name in the 3DS menu it will automatically change for Luigi's Mansion: Dark Moon.

This issue has been resolved. Thanks World10.