Popsugar Entertainment American Horror Story American Horror Story Halloween Costumes Every American Horror Story Character You Could Be For Halloween October 25, 2020 by Maggie Panos View On One Page Photo 78 of 93 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 78 Dr. Oliver Thredson, Asylum What to wear: Black or gray slacks, a fresh white shirt, and a short doctor's coat with a tie and thick-rimmed, retro glasses. How to act: Like you have a secret to hide. Talk about the custom lampshade you just made. Previous Next Start Slideshow American Horror StoryHalloweenHalloween CostumesPop Culture Halloween CostumesTVAmerican Horror Story HotelHalloween Costumes 2020