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