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