In the rich text editor:
@dergonfruit
In a comment:
[dergonfruit](https://chowlings.com/user/dergonfruit)
For Names and Avatars:
In the rich text editor:
%dergonfruit
In a comment:
[![dergonfruit's Avatar](https://chowlings.com/images/avatars/74.png?v=1713326671)](https://chowlings.com/user/dergonfruit) [dergonfruit](https://chowlings.com/user/dergonfruit)