You can edit your display name under your profile settings. If you registered your actual account under your real name (so that it says @YourRealName), then yeah, I’m not sure you can change that yet. You can try recreating an account, but you might need a different phone number to verify it.

You can edit your display name under your profile settings. If you registered your actual account until your real name (so that it says @YourRealName), then yeah, I’m not sure you can change that yet. You can try recreating an account, but you might need a different phone number to verify it.