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 136 of 562 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 136 Sheldon From The Big Bang Theory What to wear: A comic-book-related t-shirt over a long-sleeved t-shirt and brown trousers. Put your hair in a side parting, and bring your action figures with you. How to act: Extremely smart but not the most socially savvy. Previous Next Start Slideshow DIY Halloween CostumesHalloween Costumes For MenGroup Halloween CostumesHalloween Costumes For WomenCouple Halloween CostumesPop Culture Halloween Costumes