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