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