This article is about a/an monster in Ultraman.

Telesdon (テレスドン - Teresudon) is a monster that appeared in the TV series, Ultraman. He appeared in episodes 22 and 37, "The Underground Destruction Work" and "The Littlest Hero" (respectively).

Subtitle: Underground Monster (地底怪獣 - Chitei Kaijū)

Character History


In his first appearance, Telesdon was a Monster under the control of the villainous Underground People who had intended to use the Monster as their weapon to wipe out the Surface World so that they could take it over themselves. It wasn't until after the Underground People's spy, "Anne" was exposed when Telesdon was fully unleashed to caused as much destruction in its wake by orders of its masters. Fortunately the Science Patrol was already on the scene and fought back against the Monster, but Telesdon managed to fight through their assaults and he downed their jet during his rampage. Finally, Ultraman appeared from Underground as well (Hayata was kidnapped earlier by the Underground People to be used as their hypnotized weapon, only for their plot to be foiled) and the Ultra quickly confronted Telesdon to stop its rampage. Telesdon was no match for the Ultra, and after a short but fierce battle, Ultraman emerged victorious by dropping Telesdon's onto its head several times until the Monster's neck broke, effectively killing it.


In episode 37, (entitled "The Littlest Hero,") another Telesdon (or possibly the same one as before) was one of the 3 Monsters revived by Geronimon (along with Dorako and Pigmon) as a demonstration of the Monster's ability to revive the dead. Originally appearing in a Canyon in Ohiwayama, Telesdon noticed Dorako and the two engaged in a fierce battle, only to be stopped and tamed by the bellowing of their new Master. The next day, the Science Patrol arrived in Ohiwayama to stop the Monster Brigade and during which, Telesdon was killed in short order by a Triple Shot from the Science Patrol's Super Guns.

Ultraman: The Ultimate Hero

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Ultra Galaxy Mega Monster Battle

Telesdon reappeared a few times throughout both Ultra Galaxy Mega Monster Battle and its sequel, Never Ending Odyssey.

First Series

Telesdon first appeared in episode 1 of Ultra Galaxy Mega Monster Battle, entitled "The Lawless Monster Planet."[1]

In this series, Telesdon was one of the many Monsters that lived on Planet Boris. When Capt. Hyuga, Haruna, and Oki of the ZAP Spacy were exploring one of Boris's Excavation Site to go find help (shortly after crash-landing on the Planet,) the three of them witnessed Telesdon rising to the surface to confront the Monster, Sadora. The two monsters fought fiercely until suddenly a 3rd monster appeared: Red King! Red King interfered with their fight and managed to beat down Telesdon, and strangle Sadora to death with ease. Once Red King turned his attention to the ZAP Spacy however, Telesdon managed to recovere and resumed his fight with Red King again. What became of their fight afterwards was unknown as after sometime passed, Red King went to go confront the ZAP Spacy on his own.

In episode 2, (entitled "The Fifth Crewman,") when Kumano and Haruna were searching the same abandoned Excavation Site to find some necessary part to fix the Pendragon's Engines, they were both attacked by Telesdon and Golza. Luckily, Rei returned to face the Monsters by summoning Gomora from his Battle Nizer to do battle. At first, the battle seemed to be in favor of Telesdon and Golza as both monsters managed to work together in double-teaming Gomora. However with Litra distracting Golza, Gomora managed to focus his attention onto Telesdon and after engaging the Monster in a Beam Battle, Gomora finally managed to kill Telesdon with his Super Oscillatory Ray.

In episode 7, (entitled "The Stone Which Calls Monsters,") another Telesdon was summoned (along with the Monsters, Red King and Neronga) by the Life-Form, Bullton to fend off Rei and Gomora from attacking it. Like before, Gomora was outmatched by Telesdon and Neronga double-teaming him, but Gomora's strength was able to last him long enough for him to outsmart Telesdon into killing Neronga with his Flamethrower. Litra also managed to outsmart Telesdon too by tricking the Monster into firing on Bullton's SpaceTime Energy wires with his Flamethrower (which were controlling the Life-Form's SpaceTime abilities,) with Bullton destroyed by the ZAP Spacy's missiles, Gomora finished off Telesdon for good by blasting the Monster with his Super Oscillatory Ray.

Second Series

Telesdon returned in the sequel series, Ultra Galaxy Mega Monster Battle: Never Ending Odyssey. He appeared in episode 10, entitled "The New Horizon of War".[2]

In this series, Telesdon was a Monster who belonged to a Reiblood Alien Zetton who was battling against an Alien Hook's Re-Dorako. The two Monsters fought fiercely, but shortly into their fight, both Telesdon and Re-Dorako were destroyed by a King Joe Black and their masters were both killed by Dale, the Alien Pedan.

Ultraman Zero

Mega Monster Battle: Ultra Galaxy Legends The Movie

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Ultra Zero Fight

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Ultraman Ginga: Theater Special Ultra Monster ☆ Hero Battle Royal!

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Ultraman X

Telesdon reappeared in the series, Ultraman X. He appeared in episode 3, entitled "A Song That Calls The Night".[3]

In this series, Telsdon is one of the many Spark Dolls that were transformed into Monsters when an Ultra Flare hit the Earth. Lead by her owner, the Underground Woman, Telesdon was found in Area T-7B after he had been causing several Earthquakes in the City. When Daichi and Asuna were sent to investigate a Subway in Area T-7B, they spotted the Underground Woman, who unleashed Telesdon to attack the surface. Telesdon surfaced in Kamikura City and begun his rampage, attacking Daichi and Asuna in the process. Despite receiving some assistance from Xio with the Porthos and the Musketty, Daichi and Asuna were outmatched by Telesdon's speedy burrowing ability, and after tossing them around, Telesdon retreated back underground.

Telesdon was later summoned in Kamikura City again to resumes its rampage, and the monster tried to kill Daichi and Asuna once again. This time however, after Daichi put Asuna out of harm's way, Daichi transforms into Ultraman X, and the Ultra did battle with Telesdon instead. At first, Telesdon's burrowing ability quickly overwhelmed Ultraman X, allowing Telesdon to pin the Ultra to the ground and pummel him. But thanks to Wataru and Hayato managing to free X by firing Guruman's new Ultlaser at Telesdon, Telesdon was distracted, allowing Rui and Mamoru to send their newest data to X, this time on the monster Eleking. Thus, Ultraman X was given another new upgrade: The Eleking Armor! With his new armor ability, Ultraman X turns the tables on Telesdon's abilities and after slamming the monster with the Eleking Armor's whip feature, X destroys Telesdon with Eleking's Electric Shock Wave, reducing him back into Spark Doll form. Despite X's victory over Telesdon however, the Underground Woman fled the scene before Xio could capture her.

Ultraman Orb

Telesdon reappeared in the series, Ultraman Orb. He appeared in episode 9, entitled "The Impostor Blues."

In this series, Telesdon was a stray Monster who surfaced to attack mere moments before the newest member of the Planetary Invasion Syndicate, an Alien Babalou disguised as Ultraman Orb was about to attack instead. Mistaking the Impostor for being the real Ultra, Telesdon attacked the Alien instead. With the Syndicate's plans interrupted by the Monster's appearance, and provoked by its attack, Alien Babalou fought back against the Monster and after a short tussle, Telesdon fled back underground, leaving the Alien victorious.

In episode 24, (entitled "The Ultimate King Devil Beast Strikes Back,") another Telesdon (or possibly the same one as before) surfaced to attack a city, along with Demaaga and Gomess (S). All three monsters were quickly confronted by Ultraman Orb Hurricane Slash, who was prepared to do battle. Suddenly all 3 Monster suddenly collapsed and after checking their pulses, Orb was shocked to learn that they have all died, leaving the confused Ultra to briefly mourn their unsettling deaths and leave. The next day, it was revealed that the three monsters had died from an over-exposure to a poisonous smoke that was emitting deep within the earth, a sign of the coming arrival of Magata No Orochi.

Appearances in other media

Ultra Fight

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Ultra Zone

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Other appearances

Stage Shows

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Video Games

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Weapons and Abilities

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Behind the scenes


  • Telesdon is portrayed by suit actor Kunio Suzuki in the original Ultraman series.
  • Telesdon is portrayed by suit actor Kazunori Yokoo in the series, Ultraman X.


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  1. Tsuburaya's Official Website's profile on Telesdon's profile in "Ultra Galaxy"
  2. Tsuburaya's Official Website's profile on Telesdon's profile in "Ultra Galaxy NEO"
  3. Tsuburaya's Official Website's profile on Telesdon's profile in "Ultraman X"

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