In the rich text editor:
@Migeymon
In a comment:
[Migeymon](https://chowlings.com/user/Migeymon)
For Names and Avatars:
In the rich text editor:
%Migeymon
In a comment:
[](https://chowlings.com/user/Migeymon) [Migeymon](https://chowlings.com/user/Migeymon)