In the rich text editor:
@Suunes
In a comment:
[Suunes](https://chowlings.com/user/Suunes)
For Names and Avatars:
In the rich text editor:
%Suunes
In a comment:
[![Suunes's Avatar](https://chowlings.com/images/avatars/795.jpeg?v=1644063330)](https://chowlings.com/user/Suunes) [Suunes](https://chowlings.com/user/Suunes)