Which one of you did this?

[Leroy Octopus]

http://i.imgur.com/t7EgxTp.png

[Darth Marsden]

[Looks around suspiciously]

[gman5852]

Brad Muir probably.

[Bidiot Bales]

It was obviously Brad Muir's face.

[Alcoremortis]

Well, it's kinda like how Sauron has the Mouth of Sauron do his talking for him. Obviously Brad Muir has the Face of Brad Muir (or, colloquially, Brad Muir's face) do his Tweeting for him.