Popsugar Entertainment Halloween Riverdale Halloween Costumes How You and Your Friends Can Dress Up as Riverdale Characters This Halloween October 23, 2019 by Kelsie Gibson View On One Page Photo 8 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 FP What to wear: A dark T-shirt, jeans, combat boots, and a leather jacket with a snake stitched on the back. How to act: Mysterious, but incredibly sexy. Previous Next Start Slideshow HalloweenRiverdaleHalloween CostumesHalloween Costumes 2019Group Halloween CostumesPop Culture Halloween CostumesTV