In the rich text editor:
@aubreon
In a comment:
[aubreon](https://chowlings.com/user/aubreon)
For Names and Avatars:
In the rich text editor:
%aubreon
In a comment:
[![aubreon's Avatar](https://chowlings.com/images/avatars/2655.png?v=1692252244)](https://chowlings.com/user/aubreon) [aubreon](https://chowlings.com/user/aubreon)