In the rich text editor:
@slushien
In a comment:
[slushien](https://chowlings.com/user/slushien)
For Names and Avatars:
In the rich text editor:
%slushien
In a comment:
[![slushien's Avatar](https://chowlings.com/images/avatars/1796.gif?v=1735749687)](https://chowlings.com/user/slushien) [slushien](https://chowlings.com/user/slushien)