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