Popsugar Entertainment Halloween Roald Dahl Halloween Costumes 16 Whimsical Halloween Costume Ideas Courtesy of Roald Dahl October 26, 2019 by Quinn Keaney View On One Page Photo 16 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 16 Willy Wonka From Willy Wonka & the Chocolate Factory What to wear: Khaki pants with a floral shirt underneath a purple velvet jacket, white gloves, a big bow tied around your neck, and an orange hat. Previous Next Start Slideshow HalloweenHalloween CostumesBooksPop Culture Halloween CostumesMoviesRoald Dahl