Saigo rendered
Home world: Planet Q (Kodon in English dub)
First Appearance: Ultraman episode 38 "The Spaceship Rescue Command"
Latest Appearance: None
Height: 32 m
Weight: 18,000 t
Category: Kaiju
Affiliation: Kiyla (enemy)
Saigo Roar

Saigo (サイゴ) was a kaiju from the series, Ultraman. He appeared in episode 38.

Subtitle: Sand Abyss Monster (砂地獄怪獣 Suna Jigoku Kaijū)


  • Height: 45 m
  • Weight: 40,000 t
  • Origin: Planet Q



An alien creature that inhabited Planet Q, Saigo was first seen in combat with Kiyla. The two were battling as the SSSP arrived to watch. The battle seemed evenly matched, after Saigo blasted Kiyla with his sand attack. However he was blinded by Kiyla's blinding flashes and was sent into retreat.

Not long after, Saigo emerged from the ground as the Science Patrol got their vehicle stuck. The monster sought to destroy the invaders to its home, but the forces fought back hard, unloading everything they had at the beast. Saigo was covered in dry ice and its body shattered to pieces.


  • Saigo's roar could have been reused from a roar by Godzilla in the film Godzilla Raids Again.
  • Saigo's roar is reused for the monster, Kingstron.
  • Saigo was going to originally be the final monster used to kill Ultraman, while Zetton was a "warm-up" enemy. The two were switched as the producers thought that Zetton had a better design and so made him Ultraman's final enemy, while Saigo was demoted to an "extra".
    • Considering this, it would explain why Zetton has the title of Space Dinosaur, which is something Saigo resembles.
    • Fittingly, Saigo's name means "last" or "final" in Japanese.

Powers and Weapons

  • Sand Attack: Saigo can fire a concentrated blast of sand from his jaws.
  • Burrowing: Saigo can burrow at moderate speeds.


Ultraman Kaiju & Seijin
Bemular | Alien Baltan | Neronga | Ragon | Greenmons | Guesra | Antlar | Red King | Chandora | Magular | Suflan | Pigmon | Gabora | Jirass | Gango | Mummy Man | Dodongo | Pestar | Gamakujira | Gavadon | Alien Baltan II | Bullton | Alien Zarab | Aboras | Banila | Hydra | Kemular | Underground People | Telesdon | Jamila | Gubila | Gigass | Dorako | Red King II | Suflan II | Gomora | Dada | Goldon | Woo | Keronia | Zambolar | Alien Mefilas | Giant Member Fuji | Alien Baltan III | Kemur Man II | Alien Zarab II | Skydon | Seabozu | Zaragas | Re-Pigmon | Re-Dorako | Re-Telesdon | Geronimon | Kiyla | Saigo | Alien Zetton | Zetton
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