Chapter 33 of Less Wrong's Harry Potter & The Methods of Rationality.[link]
Four lieutenants of Potter's Chaos Legion, Potter's most trusted minions, one of whom was a traitor. From left to right : Seamus Finnigan, Neville Longbottom, Dean Thomas, Theodore Nott.
the room were inspired from Red Queen's throne room from Tim Burton's Alice in Wonderland.
As this fic has prepared me to do, I managed to control my face during that line. Until "Ia! Shub-Niggurath!" The fact that it was Neville of all people saying this almost gave me an aneurysm from laughter.
Awesome pic.
And Dean is Red 5, eh?