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Sonslayers! Killers of Gozerbeloved! Revengeon All! On All!
~ Koza'Rai seeking revenge on the Ghostsbusters for Gozer's death.

Koza'Rai (sometimes known as Koza Rai) is an interdimensional demon warlord and the father of Gozer. He was so furious at the Ghostbusters for destroying his son, that he banished them to different time eras. Eventually, the Ghostbusters returned to the present day and defeated Koza'Rai with help from his daughter Rachel Unglighter.

This obscure dark lord seeks dominion ovee the conquest over time and space. He is said to have sired many offspring, including Gozer and Senta, and other lesser known deities.

In the 1950s, within Earth, there was a group of people the Temple of the Divine Father, a splinter faction from the soon-to-be remnants of the Gozer Worshippers, selected a woman known as Jacqueline Unglighter to bear the next child of Koza'Rai. Koza'Rai came to the mortal world to woe and later pervades his chosen earthly mate. Jacqueline gave birth to a half demon child, Rachel Unglighter, and fled with her.

Years after the defeat of the undead human despot Vigo the Carpathian, the Ghostbusters were attacked by another tyrant, but this one is the immortal Koza'Rai, enraged by the death of his Gozer, his fellow Destructor.

Rather than killing them, Koza'Rai banished the Ghostbusters to the passages of time. With them out of the way, Koza'Rai assumed his quest to finally reign supreme over all of reality.

Rachel alone modified the Proton Packs and Ecto-1 then set out to reunite the Ghostbusters. She believed defeating Koza'Rai in the present would erase the incursions on the overall timeline.

Koza'Rai influenced the creation of a Demon Collective based in New York during the Old West era, the release of the witch Morgan Le Fay in medieval times, and assaults on the Outer Colon on the planet Mars in the year 2060, where each of the founding 3 Ghostbusters happened to be stranded in.

In present day, Koza'Rai assembled his legion in New York and forced his human slaves to reconstruct Stonehenge in Central Park with the plan on generating a Devil's Shoe Horn that would banish all living beings to the Netherworld and simultaneously allow every ghost and demon to take its place. Rachel and Peter Venkman knocked over one of the pillars of Stonehenge.

The resulting reconfiguration had a reverse polarizing effect and pulled every ghost and demon into the Netherworld, including the "Divine" dark one Koza'Rai himself.

Powers and Abilities

Koza Rai (Koza'Rai).

Koza'Rai only demonstrated the ability to teleport other beings to different times and breath fire from his mouth. Since he is a very powerful and mighty demon, Koza'Rai may have other powers at his command.



  • Whether it was a coincidence or not, Koza'Rai is first manifested in New York when a local museum held a Sumerian exhibit. The banner had the face of a figure that loosely resembled Koza'Rai.


           GhostbustersTitle.png Villains

Ghostbusters (1984): Gozer | Stay Puft Marshmallow Man | Walter Peck | 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
Ghostbusters: Afterlife: Gozer | Ivo Shandor | Terror Dogs (Zuul & Vinz Clortho) | Muncher | Mini-Pufts

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 | Ghost Abby