In the rich text editor:
@Scout803bitch
In a comment:
[Scout803bitch](https://chowlings.com/user/Scout803bitch)
For Names and Avatars:
In the rich text editor:
%Scout803bitch
In a comment:
[![Scout803bitch's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/Scout803bitch) [Scout803bitch](https://chowlings.com/user/Scout803bitch)