I would personally really like so see a way for us to have the chance to change our usernames (both on transformice and the forums) even if its only once that we can do that
If that is in anyway possible, I would be really grateful.

Well looking at this thread it appears they are gonna add it sometime soon if everything goes to plan.
"Other: Ability to Change Your Username (fraises payment required)".

mikumercury a dit :

I would personally really like so see a way for us to have the chance to change our usernames (both on transformice and the forums) even if its only once that we can do that
If that is in anyway possible, I would be really grateful.

Shamousey said this was going to be planned in the future.

That's good to hear! Thank you very much!
Now if I can just get some fraises...