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