In the rich text editor:
@Tigerblade14
In a comment:
[Tigerblade14](https://chowlings.com/user/Tigerblade14)
For Names and Avatars:
In the rich text editor:
%Tigerblade14
In a comment:
[](https://chowlings.com/user/Tigerblade14) [Tigerblade14](https://chowlings.com/user/Tigerblade14)