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 3 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 The BFG What to wear: A pair of cropped green pants, a white long-sleeved shirt, and a brown vest, with a gray wig and some big fake ears. Bring a butterfly net out with you just in case you need to scoop up any little kids. Previous Next Start Slideshow HalloweenHalloween CostumesBooksPop Culture Halloween CostumesMoviesRoald Dahl