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