from left to right: Tonks as "Kid in a Toy Shop," Lupin as "Someone Who Couldn't Afford a Decent Pumpkin Costume," Bertie as a mouse, Snape as Neville's grandmother, Draco as the Grim Reaper, Sirius as a "Cereal Killer," Dumbledore as Lord Voldemort, and Voldemort as Little Boy Blue.