In the rich text editor:
@Onlyscreamingwolf
In a comment:
[Onlyscreamingwolf](https://chowlings.com/user/Onlyscreamingwolf)
For Names and Avatars:
In the rich text editor:
%Onlyscreamingwolf
In a comment:
[![Onlyscreamingwolf's Avatar](https://chowlings.com/images/avatars/140.jpeg?v=1644063261)](https://chowlings.com/user/Onlyscreamingwolf) [Onlyscreamingwolf](https://chowlings.com/user/Onlyscreamingwolf)