In the rich text editor:
@cyb3ranqel
In a comment:
[cyb3ranqel](https://chowlings.com/user/cyb3ranqel)
For Names and Avatars:
In the rich text editor:
%cyb3ranqel
In a comment:
[![cyb3ranqel's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/cyb3ranqel) [cyb3ranqel](https://chowlings.com/user/cyb3ranqel)