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