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