In the rich text editor:
@SpoopyWeewolf
In a comment:
[SpoopyWeewolf](https://chowlings.com/user/SpoopyWeewolf)
For Names and Avatars:
In the rich text editor:
%SpoopyWeewolf
In a comment:
[![SpoopyWeewolf's Avatar](https://chowlings.com/images/avatars/1036.png?v=1671578887)](https://chowlings.com/user/SpoopyWeewolf) [SpoopyWeewolf](https://chowlings.com/user/SpoopyWeewolf)