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