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