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