In the rich text editor:
@JupiterKat
In a comment:
[JupiterKat](https://chowlings.com/user/JupiterKat)
For Names and Avatars:
In the rich text editor:
%JupiterKat
In a comment:
[](https://chowlings.com/user/JupiterKat) [JupiterKat](https://chowlings.com/user/JupiterKat)
