[2020] Changing Account Name

Hello,

there needs to be an option for account name change.
My account name (for whatever reason) is part of my mail adress, which consists of my full name.
I never had the chance to chose my nickname anywhere and the solution to pick the name like it is now is really bad...

I mean i am climbing the leaderboards of the current season at the moment and my full name is displayed everywhere!
Please enable the option to change the name!