Dr. Cerberus resides in the town of Greendale, located on the opposite side of the Sweetwater River from Riverdale, where he owns the local book store, Cerberus Books. He recently hired Hilda Spellman as a barista in his store and has since began to develop a relationship with her.
Before becoming the owner of Cerberus Books, he was the weatherman and a horror show host. After following an ancient book on the occult, Cerberus was possessed by an incubus.
Dr. Cerberus is a middle aged man who is often seen wearing a black suit.
- In Chapter Ten: The Witching Hour, Dr. Cerberus' eyes briefly flash, hinting that he might not entirely be mortal.