In the rich text editor:
@Draemus
In a comment:
[Draemus](https://chowlings.com/user/Draemus)
For Names and Avatars:
In the rich text editor:
%Draemus
In a comment:
[![Draemus's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/Draemus) [Draemus](https://chowlings.com/user/Draemus)