In the rich text editor:
@C0ffeeDog
In a comment:
[C0ffeeDog](https://chowlings.com/user/C0ffeeDog)
For Names and Avatars:
In the rich text editor:
%C0ffeeDog
In a comment:
[![C0ffeeDog's Avatar](https://chowlings.com/images/avatars/865.png?v=1722063938)](https://chowlings.com/user/C0ffeeDog) [C0ffeeDog](https://chowlings.com/user/C0ffeeDog)