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