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