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Other languages: German: Gelumcaedus
Hungarian: Hűvösvérű
Russian: Хладнокровус
Notables: Gregorek
Dead Andre
Dead Gregorek and Andre's brother
TV Show: "Cold Blooded"
Referenced: "Nobody Knows the Trubel I've Seen"

A Gelumcaedus (GAY-loom-KY-dus; Grimm: GEL-um-KY-dus; Lat. gelum "coldness" + caedis "kill") is an alligator-like Wesen that appeared in "Cold Blooded".


"Cold Blooded"Edit


When they woge, Gelumcaedus gain thick pale-green skin. Their mouths extend forward, widen, and become filled with razor sharp teeth. Their hair and outer ears disappear, and they gain sharp claws.

Physically Gelumcaedus are incredibly powerful, able to tear a man's limb clean out of their sockets and cause multiple fractures simply by shaking them. Their grip is nearly impossible to escape. They are durable creatures, able to take great force. They are also able to move with incredible speed for their large size.

Gelumcaedus are exceptionally hardy and adapted to live perfectly in dark and severely fetid conditions without any noticeable health problems as a result.


Gelumcaedus are commonly known to have dormant periods when they retreat to bunkers fashioned within storm drains and live off of their plunder. One of the oldest known Wesen species, they served in the Praetorian Guard during Caligula's reign and were hired to protect the newly built aqueducts. They carried on in this role throughout Rome's history, as when Rome fell they retreated into the aqueducts to get away. Some speculate this is why they're fond of storm drains.

Gelumcaedus are an incredibly aggressive and dangerous Wesen that will attack with little provocation, using their powerful jaws and inhuman strength to literally break apart those that got in their way. Their typical way of killing has been compared to Siegbarstes in terms of both brutality and strength.

Their relationship with Grimms is one of both fear and respect. They refer to Grimms by their old Latin name, Dēcapitāre, which means "he who decapitates."

Excerpt from Grimm DiariesEdit

Gelumcaedus is one of the oldest known Wesen. According to Grimm lore passed down from generation to generation, the Gelumcaedus served in the Praetorian Guard during Caligula's reign.

Having ventured further into the sewers, we were almost overcome by the fumes. It is easy to see why Gelumcedus chose this place to live.

Without the breathing apparatus Anna invented, we could never have survived the fetid conditions.

We were finally confronted by the Gelumcaedus beneath Farringdon Road. The Gelumcaedus had just emerged from a dormant period common for them, during which they retreat into the hellholes they fashion for themselves, living off their plunder.

Even as the Zeppelins rained down fire on the city above, our battle below lasted us the better part of the night.

I regret to report that Reginald, one of the hunters we took with us, perished in the fight, his upper limbs torn from their sockets. Escaping this Wesen's grip is virtually impossible. As a result, I have procured a "vambrace" should I ever do battle with a Gelumcaedus again.



Creature Profile Gelumcaedus - Grimm01:12

Creature Profile Gelumcaedus - Grimm


  • Despite being rare Wesen, Gelumcaedus are among the most prolifically recorded by the Grimm community.

See alsoEdit

Wesen in Grimm
Accipitrid Wesen Geier, Steinadler
Bovine Wesen Taureus-Armenta
Canine Wesen Anubis, Blutbad, Coyotl, Höllentier, Hundjäger, Schakal, Wildesheer
Caprine Wesen Seelengut, Ziegevolk
Cathartid Wesen Raub-Kondor
Chelicerate Wesen Spinnetod
Chelonian Wesen Genio innocuo
Chimeric Wesen Manticore, Naiad
Chiropteran Wesen Murciélago
Dinosaur Wesen Glühenvolk
Feline Wesen Klaustreich
Gekkotan Wesen Skalengeck
Hexapod Wesen Jinnamuru Xunte, Mellifer
Lutrine Wesen Luisant-Pêcheur
Machairodontine Wesen Mauvais Dentes
Meline Wesen Drang-Zorn
Osteichthyan Wesen Cracher-Mortel
Pantherine Wesen Balam, Löwen, Pflichttreue, Yaguaraté
Passeriform Wesen Seltenvogel
Perissodactyl Wesen Dickfellig, Nuckelavee
Primate Wesen Aswang, El Cucuy, Fuchsteufelwild, Hässlich, Hexenbiest, Koschie, Musai, Siegbarste, Wendigo, Wildermann
Pseudosuchian Wesen Gelumcaedus, Skalenzahne
Rodent Wesen Eisbiber, Mauzhertz, Reinigen, Stangebär
Sauropsidans Wesen Dämonfeuer
Serpent Wesen Königschlange, Lausenschlange
Spiralian Wesen Gedächtnis Esser, Lebensauger
Strigiform Wesen Scharfblicke
Suinan Wesen Bauerschwein, Malin Fatal
Ursid Wesen Jägerbar
Vulpine Wesen Fuchsbau

Start a Discussion Discussions about Gelumcaedus

  • Definition

    18 messages
    • I actually noticed David pronounced Dämonfeuer correctly last week! Of course, two words later, he said HUND-jag-ger instead of HOONT-yay-ger.
    • Some of the actors say the names wrong on purpose. I think Bitsie said they are given 2 or 3 ways to pronounce names including the correct w...

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