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