In the rich text editor:
@drearypiper
In a comment:
[drearypiper](https://chowlings.com/user/drearypiper)
For Names and Avatars:
In the rich text editor:
%drearypiper
In a comment:
[![drearypiper's Avatar](https://chowlings.com/images/avatars/1002.png?v=1654370596)](https://chowlings.com/user/drearypiper) [drearypiper](https://chowlings.com/user/drearypiper)