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