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