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