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