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