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