Serial killer costume Artofit Pin on Halloween costume 13 frighteningly quick and easy Halloween costumes Curated Cereal killer Halloween costume! Cereal killer halloween, Cereal. Cereal Killer Costume, Blue, with Tabard Cause a fright with the Cereal Killer Costume. This male comedy Halloween fancy dress costume includes a tabard with print design. Washing Instructions: Dry Clean Only Product Code: 38267 One sized product, measurements in line with men's medium