Loser of the night!
Man, the poor guy has a really low gamer score and a poor completoin percentage, check him out:
I added him as a friend, turns out I'm his only friend on True Achievements. Go figure.
Then I sent a message on Live, pointing to this post, and telling him to enjoy his suspension for the complaint I filed.
He went on to prove his Loser of the night status with this reply: