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