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