That's because your Havoc account name is not tied to your MC account, You can't change your Havoc name in your account settings (i haven't found it yet)
To be able to get an account on here you need to tie your mc account to havoc lol Thad one of the requirements so you’ll just have to log onto the server and then it’ll change the name. :3
Formerly known as HavocMC, Havoc Games has been pushing the limits of vanilla minecraft since 2012.
Home of The Mining Dead, Mine Wars, and Craft Theft Auto.