Kyasshi 001
Home world: Earth
First appearance: Ultraman 80 episode 29 "Wrath of the Monster Emperor"
Latest appearance: None
Height: 60 Meters
Weight: 30,000 tons
Category: Kaiju
Affiliation: None
Roar(s): {{{Roar(s)}}}
Kyasshi (キャッシー Kyasshī?) (also known as "Kiyathi") is a monster that appeared in Ultraman 80.

Subtitle: Valley Monster (渓谷怪獣 - Keikoku Kaijū)


  • Height: 60 m
  • Weight: 30,000 t
  • Origin: Earth


Ultraman 80

Every hundred years, a monster was said to appear in the mountain village of Kya. In that year, the village chief decided to use the legend as a tourist attraction strategy, placing fraudulent records of monster roars in various areas. However, the real Kyasshi awoke.

When UGM attacked, they could not faze the creature with the weapons. However, they found that it would run out of energy if it did not eat meat. When it tried to eat two villagers, Takeshi transformed. 80 and the monster battled, while Kyasshi tried to eat the hero himself. Ultraman managed to defend himself until the kaiju collapsed from hunger.

80 then flew the monster to a place where it could sleep undisturbed.


  • Kyasshi Roar is a modified Gabara roar.
  • The Crescent suit from Ultraman 80 episode 1 was modified for Kyasshi's costume.
  • Kyasshi is compared to Ghostron for some reason.

Powers & Weapons

  • Fire Breath: Kyasshi can emit a stream of flame from his mouth.
  • Smoke Breath: If Kyasshi runs out of energy, his flame breath will be smoke breath instead.
  • Telekinesis: Kyasshi can use telekineses to bring his prey closer.
  • Strong Jaws: Kyasshi have strong jaws.



Ultraman 80 Kaiju & Seijin
Crescent | Gikogilar | Hoe | Zandrias | Alien Bam | Mechagiras | Abdolaars | Noiseler | Tabra | Gabishale | Jakki | Aruma | Zuruzla | Medan | Alien Vibros | Gora | Alien Gorgon | Saramandora | Zarudon | Myu | Devilon | Alien Ruria | Hoshi Sawako | Lavuras | Daron | Gymaira | Gaus | Okorin Ball | Alien L85 Zuckal | Gamos | Underground Men | Queen Einus | Gomora II | Amehza | Alien Fantas | Robo-Fo | Argon | Akuzone | Gera | Alien Argo | Baru | Zakira | Kyasshi | Alien Zatan | Zatan Silver | Zora | Barrack Ship | Gazera | Angoras | Fire-Draco | Kuwaganda | Baltan Warship | Alien Baltan V | Ghostdon | Tetsuon | Space Plant | Jihibikiran | Barebadon | Zurasuimar | Alien Galagala | King Galtan | Delusion Ultraseven | Alien Baltan VI | Marjin | Red King III | Glovusk | Idantenran | Plazma | Minazma | Margodon

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