In the rich text editor:
@Rockclanhawkstar
In a comment:
[Rockclanhawkstar](https://www.worldofgaia.org/user/Rockclanhawkstar)
For Names and Avatars:
In the rich text editor:
%Rockclanhawkstar
In a comment:
[](https://www.worldofgaia.org/user/Rockclanhawkstar) [Rockclanhawkstar](https://www.worldofgaia.org/user/Rockclanhawkstar)