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