There are a few advantages of display names. First and foremost, unlike the username, the display name doesn't need to be unique. That means, two players can have the same display name.

Changing Display Name in Roblox Before moving forward, it’s worth noting that Roblox features two different types of account names – Usernames and Display Names. Changing your Username in ...

How to change your Roblox username Changing your username isn't as intuitive as it should be. It's also a little costly to do; you will need to spend 1000 Robux (amounts to $10 if you buy Roblox ...

ROBLOX allows you to change this username, as well as your Display Name. It’s important to note that there are different rules and applications of both Usernames and Display Names.