In the rich text editor:
@ccryptid
In a comment:
[ccryptid](https://chowlings.com/user/ccryptid)
For Names and Avatars:
In the rich text editor:
%ccryptid
In a comment:
[![ccryptid's Avatar](https://chowlings.com/images/avatars/2790.jpg?v=1700619734)](https://chowlings.com/user/ccryptid) [ccryptid](https://chowlings.com/user/ccryptid)