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