I can confirm that this was organized through 4chan's /b/, although I'm not sure it was marketed as an action of 'Anonymous.' I just saw the post of some asshole who said 'let's go post flashing gifs on epileptic forums' (paraphrased, obviously).

"Since when is Twoflower caucasian?"

Since around the same time Ged was, I believe.

I really want to know what the 13-year-old was arrested for.

Save the Venezuelan, save the world.