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