Steps for altering your avatar’s appearance in every Roblox experience, from adding and removing items to changing your skin ...

Change Roblox username or Roblox display name When you initially sign up to play Roblox, you must give your Roblox account a Roblox username. Other players will see your Roblox name in game.

A Roblox Display Name means that as well as customizing the appearance of your avatar, you can also determine what name is seen by other players and will appear in different areas of the game too.

Gamertag, username, display name; a Roblox player has multiple names, each having a purpose. Thankfully, usernames and display names chosen years ago can be changed.