Popsugar Celebrity Diy Halloween Costumes 100+ Pop Culture Halloween Costume Ideas 500+ Pop Culture Halloween Costume Ideas That Will Make 2019 the Best Halloween Yet 27 October 2019 by Laura Marie Meyers View On One Page Photo 369 of 562 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 369 Castiel From Supernatural What to wear: A tan trench coat, a button-up shirt, and a tie. Bonus points if you can find something that looks like an angel blade! How to act: Generally confused by humans. Cas also has a very staccato, proper way of speaking English. Previous Next Start Slideshow DIY Halloween CostumesHalloween Costumes For MenGroup Halloween CostumesHalloween Costumes For WomenCouple Halloween CostumesPop Culture Halloween Costumes