Murmur, an elemental the Shadow Council is trying (and failing) to control for their own purposes. If you visit Shadow Labyrinth, you'll find Murmur waiting for you at the end -- the very last boss. Have you taken your chances to get reacquanted with Murmur, as reader Remmy is in the screenshot above?
I think we've all had our chance to be killed by his Sonic Boom! But if you have your own unique shot of Azeroth or Outland that you'd like to show off to the rest of the world, tell us about it by e-mailing email@example.com. You could find your pictures and story featured next on Around Azeroth!