In the rich text editor:
@littlelapin
In a comment:
[littlelapin](https://chowlings.com/user/littlelapin)
For Names and Avatars:
In the rich text editor:
%littlelapin
In a comment:
[![littlelapin's Avatar](https://chowlings.com/images/avatars/1102.png?v=1644063252)](https://chowlings.com/user/littlelapin) [littlelapin](https://chowlings.com/user/littlelapin)