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