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