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