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