In the rich text editor:
@Krolik_Draws
In a comment:
[Krolik_Draws](https://chowlings.com/user/Krolik_Draws)
For Names and Avatars:
In the rich text editor:
%Krolik_Draws
In a comment:
[](https://chowlings.com/user/Krolik_Draws) [Krolik_Draws](https://chowlings.com/user/Krolik_Draws)