Skydon WOWOW
Home world: Space
First appearance: Ultraman Episode 34: "Present from the Sky" (1967)
Latest appearance: None
Height: Unknown
Weight: 200,000 t
Category: Kaiju
Affiliation: Beryudora (Body Part)
Roar(s): TBA

Skydon (スカイドン, Sukaidon?) is an ankylosaur-like kaiju that appeared in the TV series, Ultraman. He appeared in episode 34.

Subtitle: Megaton Monster (メガトン怪獣, Megaton Kaiju?)


  • Length: 60 m
  • Weight: 200,000 t
  • Origin: Space



Skydon is a monster from space that landed on Earth in a meteor. Landing in a small construction site, a grumpy Skydon immediately attacked and set the site on fire with his flames. The Science Patrol was quick on assault, but their weapons were uselessly shrugged off by Skydon with ease. With the site on fire, Skydon soon went to sleep.

With their first assault a botch, the Science Patrol went through a series of tactics to get rid of the monster, the likes of which included:

  1. The use of cables strapped to VTOL aircrafts to airlift Skydon away
  2. The use of a giant propeller to take Skydon into space
  3. The use of rockets to fly Skydon into space

all of which failed comedically. During their first failed effort to get rid of the monster, Hayata narrowed avoided crashing and transformed into Ultraman to battle the beast, however much like the Science Patrol's follow-up of plans, Skydon easily shrugged off his assaults and went back to sleep, leaving a moderately embarrassed Ultraman to retreat once his Color Timer began to blink. Finally after a series of failures, the Science Patrol decided to fill the monster with hydrogen, inflating Skydon like a balloon, which miraculously succeeded.

Suddenly, the Air Force noticed Skydon and shot at the monster in mid-air causing Skydon to lose hydrogen and plummet dangerously into the heart of Tokyo. After comedically mistaking a spoon with the Beta Capsule for a second, Hayata transformed into Ultraman again and destroyed Skydon by using the Air Body technique on the Hydrogen-filled monster, destroying Skydon in a fiery explosion.


  • Skydon was created by a modified Gamakujira suit.
  • Skydon's name is a combination of the words "Sky" and "Dawn," Dawn because of Skydon's first arrival at the crack of dawn.
    • Other interpretations claim that Skydon's name is actually a combination of "Sky" and "Down", as Skydon dropped down from the sky.
  • Skydon is one of the heaviest monsters in all the Ultra series' at a staggering 200,000 tons. While later monsters that weighed in at around this mass would appear and play a vital role at the series' end, Skydon was merely a joke character not to be taken too seriously.
  • Skydon's roar is a low pitched King Kong roar with some of Zambolar's mixed in.
  • Skydon is one of the monsters that appears as a picture on the wall of Yuriko's room in episode 18 of The Ultraman.
  • Skydon makes a cameo appearance in Ultraman Mebius episode 21, Cry From Space, as a ghost in the Ultra Zone.
  • Although not physically seen, Skydon is one of the monsters that makes up Beryudora's left arm in Mega Monster Battle: Ultra Galaxy Legend The Movie.

Other Media

Monster Buster Powered

A black-coloured subspecies called Skydon Pollution (スカイドン汚染, Sukaidon osen?) also appeared.



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 A | Gavadon B | Alien Baltan II | Bullton | Alien Zarab | Aboras | Banila | Hydra | Kemular | The 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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