AhmetEymenKurna wrote:
i would like to request to change our username i need to change it to buzzboy1999

A) Don't suggest things here. Please use the Suggestions forum and make a new topic.
B) This is rejected.

Za-Chary (On the Official list of Rejected Suggestions) wrote:
The Scratch Team has allowed username changes only on very rare occasions, such as if the username contains personal information or causes gender dysphoria. Generally, the Scratch Team does not change usernames on request (including for reasons such as “I do not like my current username anymore”).