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