Roblox allows all users to change their Roblox account's display name in the account settings without spending a dime. Here's how to do it.

How Can I Change My ROBLOX Display Name? You can change your Display Name for free, once every seven days. This is how other players see you in-game and isn’t unique to one player.

The name you pick for online games says a lot about you. Your username is meant to be an alias of sorts, protecting your true identity, while also being a fun, catchy, descriptive, or somehow unique ...

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.