Headless Horseman Halloween Annual 2023 Dark Horse Comics Written by Lukas Ketner, Angela Slatter, Christie Porter, Phillip Sevy, Olivia Stephens, David Dastmalchian and Leah Kilpartick Art by Lukas Ketner, Valeria Burzo, Phillip Sevy, Olivia Stephens and Tyler Crook Colors by Lukas Ketner, Lauren Affe, Phillip Sevy, Olivia Stephens and Tyler Crook Letters by Frank Cvetkovic, […]