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