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