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