In the rich text editor:
@Peryton3376
In a comment:
[Peryton3376](https://chowlings.com/user/Peryton3376)
For Names and Avatars:
In the rich text editor:
%Peryton3376
In a comment:
[![Peryton3376's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/Peryton3376) [Peryton3376](https://chowlings.com/user/Peryton3376)