There is no such requirement. It can be different.

Naming principle of WeChat authentication account:

Principle of protecting registered trademark: The account name shall not infringe the exclusive right of registered trademark, otherwise, the account name may not pass the examination or the right holder may make infringement complaints;

the only principle of authentication and naming: the account name must not be duplicate with the successfully registered account name, otherwise, the account name will not be approved.

Extended information:

Certification requirements:

1) The account name shall not infringe the exclusive right to use a registered trademark, otherwise, the account name may not pass the examination, or the obligee may file an infringement complaint;

2) The account name must not be duplicate with the existing account name in the public platform, otherwise, the account name will not be approved;

3) Do not use the domain name as the authentication name alone (for example, Beijing, Shanghai, Shenzhen, etc.);

4) The name of WeChat official account applying for authentication cannot be empty. After WeChat authentication is approved, the name of WeChat official account will be based on the name filled in the authentication.

5) If you need to use a nickname alone or including a pure net red name, a pure substitute name and a pure name, you need to provide:

a. Power of attorney for ordinary names, name identification documents;

B. authorized videos, power of attorney and celebrity identity documents of specific celebrities.

Tencent Customer Service-Description of naming rules for WeChat authentication account.