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Ultraman Zearth (character)

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―Ultraman Zearth's grunt)
Ultraman Zearth
Human Host/Form: Katsuto Asahi
Height: 60 m
Weight: 54,540 t
Age: 9,500 years
Home world: Land of Pikari, Nebula Z95
Voice actor(s): Noritake Kinashi
You Murakami (Ultraman Festival)
Suit actor(s): Keiji Hasegawa
Koichi Toshima
First Appearance: Ultraman Zearth
Last Appearance: {{{Last Appearance}}}
Number of Appearances: 2
Race: Ultra
Status: Alive
Family: Unseen Father
Ultraman Zearth (ウルトラマンゼアス Urutoraman Zeasu?) is one of the Ultras, hailing from the land of Pikari in Nebula Z95, (a parody of M78.) He appears in two films, Ultraman Zearth 1 & 2, and two film shorts, Ultraman Densetsu 1 and 2. He recently appeared in stage shows, alongside with Ultraman Nice. He also made a cameo in the Revive! Ultraman poster.

Character Traits

Ultraman Zearth is a parody Ultraman. He hails from The Land of Pikari (Land of Sparkles in English) in Nebula Z95. He has a big red face and dislikes dirt, and will go to great lengths to wash it off his hands. His goal is to clean the polluted Earth. He transforms with an electric toothbrush, which is consistent with his hygiene fixation. He's not quite adept at being a superhero, but at least he tries his best. He fights the monsters Benzen, Lady Benzen and Lady Benzen's robot Ultraman Shadow, who served as his brief rival. 

His human form is Katsuto Asahi. In this form Zearth still maintains his intense dislike of dirt.


Zearth's first movie, Ultraman Zearth, was released in 1996 to celebrate the 30th anniversary of the original Ultraman, as part of the Ultraman Wonderful World (along with Revive! Ultraman and Ultraman Company). Zearth's movie appearances include Ultraman Zearth (9 March 1996) and Ultraman Zearth 2: Superman Big Battle - Light and Shadow (ウルトラマンゼアス2 超人大戦・光と影 Urutoraman Zeasu Tsū: Chōjin Taisen Hikari to Kage?) (4 December 1997). Ultraman Zearth 2 is paired with the first Ultra Nyan short.


Ultraman Zearth (Film)

Zearth Training

Zearth training to properly use his Ultra Beam


Zearth Spinning Kick

An Ultraman from the Land of Pikari in Nebula Z95, Zearth came to the planet Earth to defend it from the forces of evil, creating the human identity Katsuto Asahi, a member of MYDO, an Earth defense team that used a gas station as their secret base. Due to his fear of dirt he was placed in the lowest position in the team, the janitor. His occupation as a janitor appealed to the dirt fearing Zearth’s own love of cleanliness. The fact no one took him seriously didn’t bother him, since he was not allowed to go out on missions, it gave him the chance to transform out of sight. When the dreaded Cotton-Poppe attacked Japan, Zearth transformed to practice in the Japanese country side while MYDO searched for the monster, accidentally falling into mud and desperately washing it off, unknowingly letting the evil Alien Benzene know of his phobia. Soon the vile alien used this to discover the truth of Zearth’s human form and continued to torment him with tar. Benzene soon captured a group of children and Zearth's love interest, luring Zearth to fight his monster with the plan that the explosion from his beam would destroy the Earth, leaving
Zearth VS BenCotton

Zearth fighting Benzene and his monstrous servant

the alien to plunder Earth's remain for the gold he sought. MYDO caugt up with Zearth and warned him of the scheme. With the barrier blocking him, the only way to get to the hostages was to cross a huge pool of tar to rescue them. Zearth tried but his crippling fear caused him to sink, his color timer blinking rapidly, disappearing below the surface. It seemed the Ultra hero was doomed but MYDO and the children cheered for the hero, giving him strength. His love interest remembered Katsuto's words of how he felt stronger by hear her flute played with all her heart. Restored, the mighty giant erupted forth back at full power, doing battle with the vile kaiju, proving his strength. He eventually knocked out Cotton-Poppe with the Zearth Knee Strike, then used the Super Zearth Kick to send Benzene flying into outer space before lifting Cotton-Poppe and taking him into space, safely using the Speshusshura Beam to obliterate the beast, while its master drifted through space.

Ultraman Zearth 2: Superman Big Battle - Light and Shadow

Zearth2 First Battle

Zearth ready to fight Shadow for the first time

Zearth Beaten

Zearth got himself defeated

Not long after, Benzene’s wife, Lady Benzene arrived to try her luck. Sending her evil Ultraman Shadow to attack the hero, he was ambushed in Antarctica, easily being pummeled and being given a bloodshot eye. Finally, he was struck by the Shadolium Beam, which due to his fear, overwhelmed his own, knocking him out. The battle left Zearth emotionally crushed and unable to fight due to complete terror of Shadow. But, after receiving a message from his father, as well as a capsule monster named Miraclon, Zearth decided to train and become powerful enough to face the evil android. But time wouldn’t allow him to gain enough training before the evil Ultraman reappeared in the city. But Zearth hadn’t yet overcome his fear of Ultraman Shadow enough to combat him. Instead, the Ultra sent his capsule monster to fight for him. However, while Miraclon defeated Shadow’s capsule monster Darklar, Miraclon was pummeled by Shadow, forcing him to be recalled, allowing Shadow to enslave the city for his mistress, including Katsuto's love interest. After a great deal of training, Katsuto regained confidence and transformed into Ultraman Zearth to battle his doppelganger. The two collided in an epic battle in Shadow City, Lady Benzene's base. Zearth’s training allowing him to overwhelm his nemesis, finally sending him plummeting from the sky with his newly developed Ultra Heel Drop, damaging his head, revealing the circuitry inside and seemingly defeating Shadow. But Lady Benzene commanded Shadow to rise again, recharging him. The two fired their finishing beams against each other, this time they were evenly matched but with a boost from Lady Benzene, Shadow began to overpower Zearth. With the voices of millions chanting behind him, Zearth found enough strength and switched to the mighty Cross Speshusshura Beam. The attack slammed through Shadow’s ray, finally slamming into his body and blowing the robot apart. After the battle, Lady Benzene appeared, congratulating Zearth for defeating Shadow but telling him it was far from over and she’d be back to conquer the Earth before she left in a shower of golden particles. Zearth restored the minds of all the enslaved humans, and sent them home before leaving himself, with new found inner strength he would forever be the Earth’s protector should the people of Benzene try to attack the planet again.



Ultraman Zearth full
  • Age: 9,500 years old
  • Height: 60 m
  • Weight: 54,540 t
  • Flight Speed: Mach 19.9
  • Running Speed: Mach 5.55
  • Swimming Speed: 889 km per hour
  • Underwater Speed: 889 km per hour
  • Tunneling Speed: Mach 1
  • Jumping Distance: 1000 m
  • Home World: The Land of Pikari in Nebula Z95, 2,990,000 light years from Earth
  • Human Form: Katsuto Asahi
  • Transformation Item: Pikari Brusher (ピカリブラッシャー Pikari Burasshā?) (Pikari Brusher 2 in Ultraman Zearth 2)
  • Features: Still being a half-baked warrior, he becomes weak due to lake of confidence.
  • Physical Strength: Unknown, able to lift Cotten-pope (79,000 t) over his head.
  • Weaknesses: Zearth appears to bear a weakness to hydrocarbon rich liquids, as he nearly drowned in a lake of oil in his debut film.


Special Moves

  • Speshusshura Beam (スペシュッシュラ光線 Supeshusshura Kōsen?): Zearth's "+" style beam weapon. Can destroy monsters in one shot.
  • Cross Speshusshura Beam (クロス・スペシュッシュラ光線 Kurosu Supeshusshura Kōsen?): Zearth's "x" style beam weapon. Can destroy monsters in one shot and is more powerful than his first beam or Ultraman Shadow's beam at full power.

Physical Techniques

  • Super Zearth Kick (スーパーゼアスキック Sūpā Zeasu Kikku?): A spinning kick with enough force to send an enemy flying into space.
  • Ultra Heel Drop (ウルトラかかと落とし Urutora Kakato Otoshi?): An axe kick using a flame covered foot
  • Zearth Machine Gun Kick (ゼアスマシンガンキック Zeasu Mashin Gan Kikku?): A kick combo.
  • Zearth Knee Kick (ゼアスニーキック Zeasu Nī Kikku?): Zearh concentrates energy into his leg and disperses it into his enemy view a knee kick, leaving them paralyzed.
  • Zearth Flying Drop Kick (ゼアス・フライングドロップキック Zeasu Furaingu Doroppu Kikku?): A drop kick from high above at maximum flight speed. Used to break Cottenpope's horn.
  • Zearth Chop: A chop from high above down the middle of an object
  • Zearshutoh (ゼアシュトー Zeashutō?): A blow to the crown of the head.
  • Zearth Cross Ver. 1.0 (ゼアスクロスVer.1.0(バージョンイッテンレー) Zeasu Kurosu Bājon Ittenrē?): An  chop in the air while passing someone.
  • Zearth KO Punch (ゼアスKOパンチ Zeasu Kē Ō Panchi?): A powerful and aimed punch aimed at the Solar Plexus.
  • Zearth Punch: Punches to key point of the opponents anatomy, dished out from left to right in continous blows.
  • Zearth Counterblow (ゼアスカウンターブロー Zeasu Kauntāburō?): A horizontal chop. Not used in movies.

Other Techniques

  • Ultra Warp Beam (ウルトラワープビーム Urutora Wāpu Bīmu?): Zearth teleports objects/people using beams of light from his eyes.
  • Zeascan (ゼアスキャン Zeaskyan?): Sterilizes the area within a 50km radius. Not used in movies.
  • Ultra Rewind (ウルトラリワンド Urutora Riwaindo?): Rewinds time. Not used in movies.
  • Ultra Stretch (ウルトラストレッチ Urutora Sutoretchi?): Slows time. Not used in movies.
  • Ultra Blender (ウルトラブレンダー Urutora Burendā?): Makes hyperspace temporarily. Not used in movies. It is similar to Ultraman Nexus' Metafield ability which was later demonstrated.
  • Z Capsule Light Monster Miraclon: A gift to Zearth from his father.


Zearth Henshin

Zearth's First Rise

Zearth Henshin2

Zearth's Second rise

Zearth's transformation is the same in both movies. Katsuto brushes his teeth with his special toothbrush and raises it into the air, similar to how Hayata used the Beta capsule. In the first movie, a typical rise was show while in the second film, the rise scene was given a transformation effect in real time, with Katsuto turning into Zearth in a tower of light and then flying of into the sky for his showdown with Shadow. Zearth's transformation item in the first films was the Pikari (meaning sparkle) tooth brush, which was a white electric toothbrush that he kept in his top pocket. In the second film the second Pikari Toothbrush was red and yellow and resembled his body markings.




  • Ultraman Zearth is the first Ultra to ever "open" his mouth. During the final battle against Ultraman Shadow, Zearth lets out a battle cry before overpowering Shadow in their beam clash, ultimately destroying Shadow. The inside of his mouth was a blue light showing his inner tissues to be mostly or entirely made of energy. The second Ultra to ever do this was Ultraman Belial. However, Belial is constantly seen with his mouth opening and closing while he speaks.
  • Standing at 60 metres, Zearth is one of the tallest Ultras in any series. He is the fourth tallest Ultra behind the three Ultras of the Ultra Force, and the tallest Ultra to appear in a live action series.
  • Despite being seen as the most cowardly of all ultra heroes, Zearth is surprisingly strong, defeating an alien and a monster at the same time with no help from a defense force. He can also rewind time, speed up time and slow time, something not many Ultras can do.
  • Despite being seen as cowardly, Zearth is not the first Ultra to run from a fight, that would be Ultraman Jack, who initially refused to fight Zetton for fear of the Monster. Zearth also only refused to fight because of his lack of confidence in his own abilities and not actual fear of his opponent.
  • It appears that Zearth does not have a time limit on Earth since his color timer only ever blinked when he had to wade through tar (he has a hygiene obsession) and when Ultraman Shadow defeated him in the Arctic. In neither of his final battles, both of which went past three minutes, his color timer didn't change color.
  • Curiously, Zearth is the first Ultra to show his eyes being visibly damaged by an opponent, as when Shadow punches him in the face, his left eye turns red, the Ultra equivalent of a black-eye.
  • Zearth is the first Ultra (real, imitation, etc) to fire his beam from his left hand.
  • Zearth's suit is made from the same type of material as Ultraman Great's and his color timer is also the first to use LEDs. His gloves are also the first sown into the suit itself.
  • Zearth's movie is the first Parody created by Tsuburaya.
  • Ultraman Zearth is the first Heisei Movie Ultra. He is also the first Ultra to debut in a movie as opposed to a TV series.
  • Zearth is the only known Ultra to use more than one transformation item.
  • Zearth is the first Ultra to have his rise scene take place in real time, this occurred during the second movie.
  • A third Zearth movie was proposed, but at that time the Ultraman Tiga and Dyna movie was being produced and it has not been spoken of again.
  • In the Ultraman Legend 2003 King Jubilee, the second song is called B-Boy and preformed by Zearth Junior, possibly hinting that Ultraman Zearth is a father.
  • Zearth also has a Father, whose role is possibly similar to Father of Ultra. The only known image of him is a shadowy outline of a being with Ultra horns.

Also See

Showa Ultras Ultraman | Zoffy | Ultraseven | Ultraman Jack | Ultraman Ace | Ultraman Taro | Ultraman Leo | Astra | Ultraman 80 | Ultraman Joneus
Heisei Ultras

Ultraman Great | Ultraman Powered |Ultraman Neos | Ultraseven 21 | Ultraman Zearth | Ultraman Tiga | Ultraman Dyna | Ultraman Gaia | Ultraman Agul | Ultraman Cosmos | Ultraman Justice | Ultraman Legend | Ultraman Max | Ultraman Xenon | Ultraman Mebius | Ultraman Hikari | Hunter Knight Tsurugi | Ultraman Zero | Ultraman Saga | Ultraman Ginga | Ultraman Victory | Ultraman X | Ultraman Orb
The Ultra Force Ultraman Chuck | Ultrawoman Beth | Ultraman Scott
Ultra N Project Ultraman the Next | Ultraman Nexus | Ultraman Noa
Other Ultras Superior | Father of Ultra | Mother of Ultra | Ultraman King | Elek | Loto | Amia | People of U40 | Hanuman | Yullian | Ultra Nyan | Ancient Giants of Light | Tiga's companions | Ultraman Boy | Ultraman Pict | Ultraman Nice | Ultra Kamen Rider | Ultra Idemitsujin | Ultraman Neko | Ultraman Ribut
Counterparts/Alternate Universe versions Ultraman (Tiga Universe) | Ultraman (Superior 8) | Ultraseven (Superior 8) | Ultraman Jack (Superior 8) | Ultraman Ace (Superior 8) | Ultraman Tiga (Superior 8) | Ultraman Dyna (Superior 8) | Ultraman Gaia (Superior 8)
Manga Ultras Zoffy (Story 0 Manga) | Ultraseven (Story 0 Manga) | Ultraman (Story 0 Manga) | Ultraman Ace (Story 0 Manga) | Ultraman Jack (Story 0 Manga) | Ultraman Leo (Story 0 Manga) | Astra (Story 0 Manga) | Ultraman Taro (Story 0 Manga) | Gorian | Zaji | Drew | Colorless | Flare | Rutia | Alphonne | Ars | Acura | Remodeled Ultras | Manga Ultraman Tiga | Manga 2011 Ultraman
Another Genesis Giants Blast | Ultraman (Another Genesis) | Ultraseven (Another Genesis) | Ultraman Belial (Another Genesis) | Ultraman Jack (Another Genesis) | Ultrawoman Ace (Another Genesis) | Ultraman Taro (Another Genesis) | Luna and Corona (Another Genesis) | Ultraman Tiga (Another Genesis) | Jean-bot (Another Genesis) | Father Burai (Another Genesis) | GlenFire (Another Genesis) | Mirror Master (Another Genesis) | Ultraman Leo (Another Genesis) | Ultraman King (Another Genesis)
Imitation and Evil Ultras Imitation Ultraman | Robot Ultraseven | Ace Robot | Imitation Astra | Delusion Ultraseven | Imitation Ultraman Joneus | Ultraman Shadow | Evil Tiga | Imitation Ultraman Dyna | Terranoid | Imitation Ultraman Gaia | Imitation Ultraman Agul |Imitation Ultraman Cosmos | Chaos Ultraman | Chaosroids | Dark Faust | Dark Mephisto | Dark Mephisto Zwei | Dark Zagi | Fake Ultraman Mebius | Fake Hunter Knight Tsurugi | Imitation Ultraman Mebius | Ultraman Belial | Darklops Zero | Darklops | Robot Ultraman | Robot Zoffy | Robot Ultraman Jack | Illusion Ultraman Zero | Ultraman Geist | Ultraman Dark | Seven Dark
The Dark Giants Darramb | Hudra | Kamila

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