In the rich text editor:
@GL00MYGL00P
In a comment:
[GL00MYGL00P](https://chowlings.com/user/GL00MYGL00P)
For Names and Avatars:
In the rich text editor:
%GL00MYGL00P
In a comment:
[![GL00MYGL00P's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/GL00MYGL00P) [GL00MYGL00P](https://chowlings.com/user/GL00MYGL00P)