In the rich text editor:
@Uzuvae
In a comment:
[Uzuvae](https://chowlings.com/user/Uzuvae)
For Names and Avatars:
In the rich text editor:
%Uzuvae
In a comment:
[![Uzuvae's Avatar](https://chowlings.com/images/avatars/555.png?v=1707439426)](https://chowlings.com/user/Uzuvae) [Uzuvae](https://chowlings.com/user/Uzuvae)