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Villains Wiki
Villains Wiki

Where's my dog?
~ Theorin the Mistress demanding from the Ghostbusters about the whereabouts of her Demi-Dog.

The Mistress is a demonic queen of an unidentified realm who travels to and ultimately enslaves worlds with the aid of her pet called Demi-Dog and the main antagonist of the Extreme Ghostbusters episode "Dog Days".


The Mistress intends to conquer multiple worlds at her own will, but can only do so by broadcasting a controlling frequency that remotely possesses certain corporeal beings. To that end, she sends over Demi-Dog to New York, where he takes control of the city's dog population, causing them to turn against their owners and wreak havoc. Because of this, the Ghostbusters are called to stop the havoc.

Eventually, the Ghostbusters were able to captured Demi-Dog by using their Ghost Trap, freeing all of the dogs from Demi-Dog's control. However, this provoked an arriving Mistress to confront the Ghostbusters for defeating her pet, revealing her true form in an attempt to kill them out of revenge.

Eventually, one of the Ghostbusters, Roland Jackson, thinks fast and defeats the Mistress by taunting her before trapping her with the same Ghost Trap, ending her reign of terror for good.



  • The Mistress was referred to as "Theron" by Tristan Jones when he posted Tobin's Spirit Guide themed artwork online. For his research, Jones based her on Potnia Theron, the Mistress of Animals.


           GhostbustersTitle.png Villains

Ghostbusters (1984): Gozer | Stay Puft Marshmallow Man | Terror Dogs (Zuul & Vinz Clortho) | Library Ghost
Ghostbusters II: Vigo | Janosz Poha | Scoleri Brothers | Mink Coat
Ghostbusters (2016): Rowan North | Marshmallow Man | Mayhem | Electrocuted Ghost | Gertrude Aldridge

The Real Ghostbusters: Grundel | Samhain | Cathulhu | Cult of Cathulhu (Spawn of Cathulhu & Clark Ashton) | Tiamat | Old One | Old One Cult (Dmitri Smerdyakov) | Wat | Quetzalcoatl | Spectral Mass | Winchester Wolf | Apshai | Anshar | Kishnar
Extreme Ghostbusters: Achira | The Ringleader | Demonic Clowns | Tempus | Mistress | Demi-Dog | Cohila | Harasvelg | Shanbahac

Tiamat | Senta | Morgan Le Fay | Idulnas | Gozerian Terror Bear | Gozo | Koza'Rai

Video Games
Cult of Gozer (Ivo Shandor, Black Slime Behemoth, Azetlor, Spider Witch & Chairman) | Chef Ghost | Sloars | Juvenile Sloar | Gozerian Servitors | Cult of Dumazu (Dumazu & Ismael McEnthol) | Janna