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