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