In the rich text editor:
@siqko
In a comment:
[siqko](https://chowlings.com/user/siqko)
For Names and Avatars:
In the rich text editor:
%siqko
In a comment:
[![siqko's Avatar](https://chowlings.com/images/avatars/566.gif?v=1728065835)](https://chowlings.com/user/siqko) [siqko](https://chowlings.com/user/siqko)