The avatars of Gozer, these terror gargoyles are the final form taken by the possessed Dana Barrett and Louis Tully who make love as the Keymaster and Gatekeeper to bring about the summoning of the great Sumerian demigod.

The terror dogs in Ghostbusters from 1984 are a combination of animatronic work and stop motion, these gargoyle monsters are drooling beasts who start life as stone gargoyles at the top of 55 Central Park West, and have a tendency to chase and eviscerate people across the city’s park, much to the annoyance of the upper-class diners enjoying supper in a fancy restaurant.

Special effects artist Randy Cook with a Terror Dog on the set of Ghostbusters.

“The Terror Dogs are two horned, dog-like, demonic monsters with blazing red eyes and powerful dark-colored bodies. They are Zuul The Gatekeeper & Vinz Clortho The Keymaster, loyal minions of Gozer the Gozerian. Zuul & Vinz Clortho manifested from Terror Dog statues on the roof of Dana’s apartment building. Zuul stalked Dana Barrett and first appeared inside her refrigerator and later possessed her body in her kitchen. Vinz then appeared in Louis Tully’s apartment in the middle of a party and chased him down in Central Park before it took possession of his body.”

Ghostbusters Wiki