No problem: https://sketchfab.com/spiritkey
You'll probably need to log out of the forum and help center and log back in again for the changes to take effect there.
Hi james! I'm trying to standardize my web presence... Could you change my username from unrealmasterto threehundredhp, please?
All set: https://sketchfab.com/threehundredhp
I want to present myself a little more professionally.... Could you change my username from smashingblumpkins to malayayu?
Here you go! https://sketchfab.com/malayayu
Although "smashingblumpkins" is really amazing
Hi James! Could you change my username to cdougherty, please?