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"Peaceful, ape-like herbivores with the ability to turn invisible when threatened."
— Description[src]

The Demiguise was a peaceful, herbivorous magical beast that could make itself invisible and tell the future, which made it very hard to catch.[3]


It could be found in the Far East, but only wizards and witches trained in their capture could even see them. It resembled a cross between a sloth and an ape with large, black eyes and long, silky hair.[1]

Demiguise pelts were highly sought after as the hair can be woven into invisibility cloaks.[1] Cloaks made from their hair eventually turn opaque, losing their invisibility effects as time passes.

Demiguises had precognitive sight, so that the only way to catch them was to do something completely unpredictable.[4]

The Demiguise's ability to make itself invisible was used to symbolise the number zero, in the runic alphabet.[5]


17th century

Dougal the Demiguise

At some point before late-1620,[6] Phineas Fletcher smuggled a Demiguise to North America which escaped and bred with a Ghoul; their offspring were the first Hidebehinds.[7]


Magizoologist Newton Scamander owned a Demiguise called Dougal, who escaped from his suitcase during his visit to New York in 1926 and caused a disturbance in the Ginzberg Delaunay department store while caring for an Occamy that had also escaped. He later found them both with a help of Queenie and Porpentina Goldstein, as well as No-Maj Jacob Kowalski.[8]


During the 1986–1987 school year, a Demiguise stole sweets from the area around Hogsmeade and Hogwarts. It was later captured by Jacob's sibling, Penny Haywood, Andre and Jules Egwu. Jules later returned with it to Japan, where she was living at the time, as it was part of the creature's natural habitat range.[9]

21th century

In the 2010s, Demiguses were among the various magical creatures that were caught up in the Calamity as foundables.[10]

Behind the scenes

A Demiguise as a POP! Vinyl

A Demiguise as shown in Harry Potter: Wizards Unite

  • A Demiguise appears in the film Fantastic Beasts and Where to Find Them, played by Edd Osmond.
  • Given the Demiguise was described as peaceful, it is most likely that they were classified as XXXX because of the fact that special knowledge is required to catch them, not because of any danger. However, Newt Scamander said that Demiguises do bite if provoked.
  • While shifting between visible and invisible, the Demiguise at some points appears translucent, as if blending in with the colors of its surrounding, in a similar manner to the effects of the Disillusionment Charm.
  • The Demiguise behind the Hogsmeade thefts only stole sweet things, indicating that it had a taste for sugar. It's unclear if this was unique to this individual or a common trait of the species. This idea is supported by Dougal stealing a lollipop straight out of a child's hand and immediately devouring it before fleeing as he ventured across New York.


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Notes and references

Study of Ancient Runes
Ancient Runes Made Easy.jpg
Professor: Bathsheda Babbling
Textbooks: Advanced Rune Translation · Ancient Runes Made Easy · Magical Hieroglyphs and Logograms · Rune Dictionary · Spellman's Syllabary
Known Runes: Acromantula · Demiguise · Ehwaz · Eihwaz · Fwooper · Graphorn · Hydra · Quintaped · Runespoor · Salamander · Unicorn · Unknown · Mark of Merlin
Magical creatures by classification
X Flobberworm · Horklump
XX Augurey · Bowtruckle · Chizpurfle · Clabbert · Diricawl · Fairy · Ghoul · Gnome · Grindylow · Imp · Jobberknoll · Mooncalf · Porlock · Puffskein · Ramora · Winged horse
XXX Ashwinder · Billywig · Bundimun · Crup · Doxy · Dugbog · Fire crab · Fwooper · Glumbumble · Hippocampus · Hippogriff · Hodag · Jarvey · Knarl · Kneazle · Leprechaun · Lobalug · Mackled Malaclaw · Moke · Murtlap · Niffler · Nogtail · Pixie · Plimpy · Pogrebin · Red Cap · Salamander · Sea serpent · Shrake · Streeler · Winged horse
XXXX Centaur · Demiguise · Erkling · Erumpent · Golden Snidget · Graphorn · Griffin · Hidebehind · Kappa · Kelpie · Merpeople · Occamy · Phoenix · Re'em · Runespoor · Snallygaster · Sphinx · Tebo · Thestral · Thunderbird · Troll · Unicorn · Winged horse · Yeti
XXXXX Acromantula · Basilisk · Chimaera · Dragon · Horned Serpent · Lethifold · Manticore · Nundu · Quintaped · Wampus cat · Werewolf