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