Harry Potter LEGO This Is Halloween appears in a LEGO Harry Potter: Welcome To Halloween. Lucius Malfoy: In this town we call home Everyone hail to the pumpkin song. Sirius Black: In this town, don't we love it now? Everybody's waiting for the next surprise. Corpse Chorus: Round that corner, man hiding in the trash can. Something's waiting no to pounce, and how you'll... Tom Riddle: Scream! Professor Lupin: This is Halloween! Tom Riddle: Red 'n' Black. Professor Moody: Slimy green. Professor Lupin: Aren't you scared? Hagrid: Everybody Scream! Everybody Scream! Lucius Malfoy: In our town of Halloween!