To change name

Chill Corner
1

@gautam can u change my name to {CK}ArtieMars

My OG username:
ilofamily

2

Assuming you’re talking about in game. You can do this yourself.
Hover over the your profile icon/username in the top right of the swordbattle.io home page, and select the option “Change Name”. If you have changed your name recently, then just wait a week.

3

Closing because solution has been said.