In the rich text editor:
@Unlucky
In a comment:
[Unlucky](https://chowlings.com/user/Unlucky)
For Names and Avatars:
In the rich text editor:
%Unlucky
In a comment:
[![Unlucky's Avatar](https://chowlings.com/images/avatars/2754.png?v=1729911320)](https://chowlings.com/user/Unlucky) [Unlucky](https://chowlings.com/user/Unlucky)