BuddyPress.org

@matiaspunx, Usually it will list the username, unless it is a private message.

It would surely be possible if you took the code of the (function ‘show user avatar’) ‘buddypress’)), and placed it in the adminpar php file, it would show up.

I would highly recommended seeking a professional web builder, because it requires going to to the Buddypress Core Elements, and would take some expert styling on avatar size, due to dropdown menu.