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