Popsugar Entertainment Harry Potter Unusual Harry Potter Costumes 22 Harry Potter Costumes You Haven't Thought of Yet October 27, 2017 by Shannon Vestal Robson View On One Page Photo 19 of 22 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 19 Gringott's Dragon What to wear: A gray dragon costume. How to act: Breathe fire, and be a little overprotective. Previous Next Start Slideshow Harry PotterHalloweenHalloween CostumesPop Culture Halloween CostumesMovies