According to a now-removed Reddit post, one Roblox player, previously known as "Coo7kii," spent 802,000 Robux to change their username.

How to buy 1,000 Robux to change your username on Roblox Robux are the in-game currency of Roblox, and they may be used to buy in-game improvements and avatar accessories.

The Roblox community discusses the cost in place to change players’ usernames, and most are struggling to understand why the price is so high.

Note: if you're trying to change your username because it contains your full name, try contacting Roblox support — they might implement the change for you, free of charge. Navigate to the home page.