In the rich text editor:
@spac3kidd0
In a comment:
[spac3kidd0](https://chowlings.com/user/spac3kidd0)
For Names and Avatars:
In the rich text editor:
%spac3kidd0
In a comment:
[![spac3kidd0's Avatar](https://chowlings.com/images/avatars/627.png?v=1644063316)](https://chowlings.com/user/spac3kidd0) [spac3kidd0](https://chowlings.com/user/spac3kidd0)