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