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Ultr Glxy NEO Tlsdn
Home world: Planet Earth (Ultraman), Planet Boris (Ultra Galaxy)
First appearance: Ultraman Episode 22: "Land Destruction Objective" (1966)
Latest appearance: New Ultraman Retsuden Episode 45: "Little Heroes! Geronimon's Back!" (2014)
Height: 60 m
Weight: 48,000 t
Category: Kaiju
Affiliation: The Underground People
Alien Zetton (Reionyx)
Ultraman Belial
Detton (Brother)
Telesdon Roar

Telesdon (テレスドン Teresudon?) is a prehistoric, carnosaurian monster that was controlled by The Underground People to attack the surface. He first appeared in Episode 22 of the original series.

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



Telesdon 8

Telesdon in Ultraman

Generation IEdit

A weapon of the Underground People, Telesdon was unleashed to terrorize a city on the surface world, as well as distract the Science Patrol from the Underground People's real plan. The Underground People had captured and attempted to hypnotize Shin Hayata into using Ultraman as their own weapon. However, they underestimated Ultraman's power, as Ultraman's light and energy blinded and killed the Underground People and Ultraman quickly escaped to the surface to fight Telesdon. While Telesdon tried his best, he was of little match for the hero and was beaten to death and finished by Ultraman's Dropped Rock.


Towards the end of the series, Telesdon was revived as Re-Telesdon (再生テレスドン Saisei Teresudon?). He, along with Dorako and Pigmon were revived by Geronimon as a warning to humanity of Geronimon's plan for conquest. However, both Telesdon and Re-Dorako were killed by The Science Patrol before Geronimon could appear himself, while Pigmon was killed by Re-Dorako for distracting him.

  • Telesdon's roar is a reused Gyango roar.
  • Originally, Gomora and Red King were to be revived by Geronimon, but due to their suits being in overused condition, they were replaced by Telesdon and Dorako. Gomora was replaced by Telesdon.
    • In his revived appearance, Telesdon had one blue eye and one black eye.
  • Although not appearing as himself in the series, the Telesdon suit was loosely disguised to create the monster Detton, in the series The Return of Ultraman.
  • In the film, Terror of MechaGodzilla, One of Dr Mafune's anatomical drawings of dinosaurs is Telesdon.
  • Telesdon's name originates from the French word for "Underground".
  • Telesdon is some times called Teresdon.
  • Re-Telesdon is sometimes known as its full name: Revived Telesdon
  • Shepardon may be based on Telesdon because the Victorians were based on the Underground People.

Ultraman: The Ultimate HeroEdit

Powered Telesdon

Telesdon, as seen in Ultraman Powered

Telesdon reappeared in episode 4 of the series Ultraman: The Ultimate Hero as Powered Telsdon (パワードテレスドン Pawādo Teresudon?).

Much like his original appearance, Telesdon was a natural monster that was put under the control of The Sun people to do their bidding. Once Telesdon's movements were headed towards Los Angeles, WINR quickly went to the scene, but as soon as the sun rose, Telesdon fled underground to avoid being blinded by the sun's light. Soon, a game of "cat and mouse" is set up to lure Telesdon to the surface to be blinded by natural lights, but the trick doesn't work as Telesdon was NOT weak against other forms of light. After a scuffle with the Underground People, Kenichi Kai turned into Ultraman Powered and went to the surface to fight Telesdon. As Powered and Telesdon were fighting, WINR attempted to blind the creature with magnesium flares. After the flares were fired in Telesdon's face, Powered used the Mega Specium Ray to destroy him.


  • Unlike its original appearance, Telesdon bears many metallic pieces on its body, showing little signs of organics.
  • In this series, Powered Telesdon possesses no superpowers.

Ultra Galaxy Mega Monster Battle Edit

Telesdon galaxy

Telesdon, as seen in Ultra Glaxy

Telesdon reappeared in episode 1, 2, and 7 of the series Ultra Galaxy Mega Monster Battle.

Shortly after landing on the planet Boris, the ZAP SPACY surveyed the area, searching for any sign of life. Not long after, Telesdon emerged from the ground. Also appearing was a stray Sadola and shortly after the two monsters battled to a standstill. Their fight however, attracted the attention of a Red King, who interfered in the battle and easily beat down both Telesdon and Sadola, managing to choke Sadola to death. When Red King was distracted by the ZAP SPACY's appearance, Telesdon recovered and blindsided Red King and their battle resumed, but the ZAP SPACY chose not to watch this time in fear of another monster attacking them.

In the next episode during Golza's attack on the ZAP SPACY, Telesdon returned having survived the fight with Red King, and the monster closed in on the ZAP SPACY dangerously. Luckily, Rei arrived on the scene and sent Gomora and Litra to deal with both monsters. As Litra distracted Golza, Gomora battled with Telelsdon in a beam battle with Telesdon's flames and Gomora's Oscillatory Ray. Ultimately, Telesdon was overpowered and killed by Gomora's ray.

Later on, Telesdon as well as Red King and Neronga are all revived by the bizarre monster, Bullton to do battle against Rei and the ZAP SPACY. Telesdon teams up with Neronga to double team Gomora, but despite the odds, Gomora outsmarts Telesdon into killing Neronga with his own flames, as well as weakening Bullton's dimensional powers before killing Telesdon again with the Oscillatory Ray by sticking it into Telesdon's body and destroying Telesdon's insides in Gomora's usual manner.


  • Telesdon and Sadola's battle in the beginning was to pay homage to their "battle" in Ultraman Jack (Telesdon disguised as Detton)
  • During the opening credits to the series, Telesdon is seen battling Neronga, even though both monsters worked together when they were revived by Bullton.
  • Telesdon as well as Sadora and Red King were referenced by the Spark Dolls Troupe in New Ultraman Retsuden Episode 16 to demonstrate the "rampaging hordes of monsters" living on Planet Boris. He also makes another apppearence in this episode alongside Golza fighting Gomora and Litra.

Ultra Galaxy Mega Monster Battle: Never Ending OdysseyEdit

Telesdon Re-Dorako

Telesdon battling Re-Dorako

Telesdon reappeared in episode 10 of the series Ultra Galaxy Mega Monster Battle: Never Ending Odyssey.

In this series, Telesdon belonged to an Alien Zetton and was sent to battle Alien Hook’s Re-Dorako. The two kaiju battled back and forth, nether gaining the upper hand on each other but right as Dorako was gaining the upper hand, a blast of energy from a King Joe Black obliterated both him and Telesdon.


  • The Telesdon Suit from Ultra Galaxy was reused for Telesdon's appearance in the series.
  • Telesdon and Re-Dorako's battle in their episode appearance was to pay homage to their second appearance in the ultra series.

Mega Monster Battle: Ultra Galaxy Legend The MovieEdit

Telesdon reappeared in the movie as one of Ultraman Belial's monsters. He was first seen as a spirit in 2 shots of the Monster Graveyard. The first one was with King Joe Black, Red King, Doragory, Alien Babarue, and an unknown kaiju while the second one was being emanated by the Plamsa Spark along with Sadola, King Gesura, Zetton, Jasyuline, and Angross. Telesdon then teamed up with Zoa Muruchi, Alien Temperor, Super Alien Hipporito, and Earthron to take on Gomora. When Gomora became beserk, Telesdon was called back along with the remaining monsters to watch Gomora fight the Ultras and was later called back out to fight Ultraman Zero. He was the first monster to be killed by Ultraman Zero's Zero Wide Shot in the final battle followed by Alien Temperor, Vakishim, and Gudon.


  • The Telesdon Suit from Ultra Galaxy was reused and modified for Telesdon's appearance in the film.
  • Telesdon is one of the monsters that makes up Beryudora's Left Arm in Mega Monster Battle: Ultra Galaxy Legend The Movie.

Ultra Zero FightEdit


Telesdon in Ultra Zero Fight

Telesdon, BemlarGudon, and Sadora were revived from the monster Graveyard by Gurashi to fight Ultraman Zero. He fired his flames alongside Bemlar's after Gudon and Sadora were killed but he was killed again with Bemlar by Zero's LunaMiracle Zero Slugger.


  • The Telesdon Suit from Ultra Galaxy was reused in Ultra Zero Fight.

Ultraman Ginga: Theater Special Ultra Monster Hero Battle Royale!Edit

Telesdon appeared in the second movie special. He was the ninth monster to be UltraLived by the Live Pad and the second monster to be UltraLived by Chigusa Kuno. He went up against Snowgon first and won thanks to his flames. After being ambushed by Dorako, Telesdon knocked him down with his tail and then they fight. Both put up a terrific fight against each other, but before Telesdon could finish off Dorako, the latter vanished. Telesdon then went up against Alien Baltan. Baltan confused Telesdon with his illusions and teleportation, held Telesdon with his telekinesis and finished him off by firing his missiles until Telesdon was called out.

Ultraman XEdit

A cybernetic version of Telesdon, Cyber Telesdon (サイバーテレスドン Saibā Teresudon?) will appear in Ultraman X. Here, Cyber Telesdon was one of the Cyber Kaiju held in the Cyber Cards.


Telesdon 2



  • Height: 60 m
  • Weight: 12,000 t
  • Origin: Underground

Powers and ​WeaponsEdit

  • Flame: Telesdon can emit and exhale a deadly stream of deadly, fiery flames released from his beak-like mouth. These flames can destroy weaker monsters in a single hit.
  • Burrowing: Telesdon can burrow at moderate speeds.

Powered Telesdon
Telesdon powered

Powered Telesdon


  • Height: 62 m
  • Weight: 130,000 t
  • Origin: Underground

Powers and ​WeaponsEdit

  • Burrowing: Telesdon can burrow at moderate speeds.


Powered Telesdon is a nocturnal monster. Exposures to sunlight energies or blinding lights can weaken his eyes.

Cyber Telesdon
Ultraman X Cyber Telesdon Card

Cyber Telesdon


  • Height:TBA
  • Weight:TBA
  • Origin:TBA

Powers and AbilitiesEdit


Other mediaEdit


Telesdon 13

Telesdon in Redman

Telesdon appeared in the short TV series Redman.

Ultra FightEdit


Telesdon in Ultra Fight

Telesdon reappeared in Ultra Fight. In one episode he fought Alien Icarus along with Ultraseven.


  • The Telesdon suit resembles the monster Detton from The Return of Ultraman
  • The Telesdon suit was loosely altered in the face to slightly resemble a different monster, enlarging the nose and straightening Telesdon's eyes.

Ultra ZoneEdit

Telesdon 3

Telesdon in Ultra Zone

Telesdon reappeard in Ultra Zone.

Ultraman BallEdit

Telesdon Ultra Ball

Telesdon Shooting a Fireball in Ultraman Ball

He appeared in the game, Ultraman Ball.


Figure Release InformationEdit

Ultraman Kaiju & Seijin
Bemlar | Alien Baltan | Neronga | Ragon | Greenmons | Gesura | Antlar | Red King | Chandora | Magular | Sunflan | 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 | Sunflan 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

Ultra Fight Kaiju & Seijin
Agira | Alien Baltan | Alien Godola | Alien Goron | Alien Guts | Alien Icarus | Eleking | Gomora | Keronia | Kiyla | Seabozu | Telesdon | Woo

Redman Kaiju & Seijin

Black King | Sasahiller | Arstron | Alien Icarus | Eleking | Jirass | Alien Goron | Gomora | Woo | Alien Mefilas | Sartan | Bemstar | Beacon | Kodaigon | Gronken | Zagorath | Shugaron | Draculas | Sadola | Alien Bat | Zetton | Kanegon | Garamon | Zaurs | Darkron | Alien Centaurus | Granadas | Alien Mystellar | Nokogilin | Peguila


Big Liger | Gureigasu | Robot

Ultraman Ball
Kaiju & Seijin

Pigmon | Pestar | Balloonga | Dada | Gubila | Telesdon | Bullton | Alien Mefilas | Gomora | Woo | Zetton | Dada II | Zetton II | Alien Baltan

Ultraman: The Ultimate Hero Kaiju & Seijin
Powered Alien Baltan | Powered Kemular | Powered Chandora | Powered Red King | Powered Pigmon | The Sun people | Powered Telesdon | Powered Gabora | Powered Jamila | Powered Zambolar |Powered Dada | Powered Aboras | Powered Banila | Powered Pester | Powered Gomora | Powered Dorako | Powered Red King II | Powered Zetton | Psycho Baltan

Ultra Galaxy Kaiju & Seijin
Ultra Galaxy Mega Monster Battle

Telesdon | Sadola | Red King | Gomora | Litra (S) | Juran | Golza | Gudon | Neronga | Bemstar | Fire Litra | Fire Golza | Gan Q | Twin Tail | Frogos (B) | Bullton | Cherubim | Arstron | Eleking | Gromite | Angross | Arigera | Zoa Muruchi | Nova | Saramandora | Lunaticks | King Joe Black | Verokron | Doragory | Zetton | Reimon | EX Gomora

Never Ending Odyssey

Alien Pitt | Reionyx Hunters | Gomess (S) | Magular | Gomora | Dorako | Eleking | Alien Hook | Litra (S) | Alien Guts | Alien Zelan | Alien Nackle | Galberos | Illusion Zetton | Burst Mode Reimon | Reionic Burst Gomora | Doragory | Alien Metron | Bemstar | Alien Babarue | Antlar | Vakishim | Alien Keel | Tyrant | Fire Litra | Alien Zarab | Imitation Ultraman | Alien Mefilas | Armored Mefilas | Dada | Alien Temperor | Arigera | Armored Darkness | Miclas | Alien Zetton | Telesdon | King Joe Black | Cherubim | Red King | Alien Reflect | Birdon | King Joe Scarlet | Alien Reiblood | EX Gomora | EX Red King

Mega Monster Battle: Ultra Galaxy Legends THE MOVIE

Bemlar | Alien Zarab | Zaragas | Gomora | Dorako | Bemstar | Saramandora | Windam | Miclas | Agira | Pigmon | Litra | Gomess (S) | Alien Baltan | Antlar | Red King | Magular | Telesdon | Dada | Alien Mefilas | Alien Zetton | Zetton | Eleking | Alien Metron | Narse | Alien Shaplay | Alien Guts | Arstron | Sadola | Gudon | Twin Tail | Black King | Alien Nackle | Verokron | Vakishim | Doragory | Lunaticks | Birdon | Mukadender | Alien Temperor | Tyrant | Alien Valky | Alien Magma | Alien Pressure | Alien Babarue | Nova | Hoe | Fire Golza | Gan Q | Galberos | Frogos (B) | Banpira | Cherubim | Gromite | Zoa Muruchi | Alien Reflect | Angross | Jasyuline | Arigera | Roberuga II | King Joe Black | Super Alien Hipporito | King Silvergon | King Goldras | King Pandon | King Gesura | Beryudora

Ultra Galaxy Gaiden: Ultraman Zero vs. Darklops Zero

Gomora | Litra | Darklops Zero | Mecha Gomora | Alien Salome | Robot Ultraseven | Robot Ultraman | Robot Ultraman Jack | Robot Ultraman Ace | Robot Zoffy

Ultraman Zero The Movie: Super Deciding Fight! The Belial Galactic Empire

Iaron | Darkgone | Legionoids | Delusts | Brigantes | Two-Dimensional People | Darklops | Malebrandes | Arch Belial

Ultraman Saga

Hyper Zetton | Alien Bat | Sphire | Gubila | Gomess (S) | Astron | Legionoids | Chaos Header 0 | Lidorias | Bolgils | Mogrudon | Golmede | Mienin | Eligal

Ultraman Ginga Kaiju & Seijin
Ultraman Ginga

Alien Valky | Black King | Thunder Darambia | Kemur Man | King Pandon | Ragon | Doragory | Alien Nackle Gray | Dark Galberos | Zaragas | Red King | Antlar | Jasyuline | Super Grand King | Dark Lugiel

Ultraman Ginga: Theater Special

Alien Icarus | Tyrant | Dark Zagi

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

Kanegon | Alien Baltan | Red King | EX Red King | Telesdon | Dorako | Gomora | Reionic Burst Gomora | EX Gomora | Mecha Gomora | Zetton | Miclas | Snowgon | Yametaranese | Alien Miracle | Mochiron | Alien Akumania | Evil Tiga | Gan Q | Chaos Ultraman | Zamusher | Zoa Muruchi | Chaos Ultraman | Chaosroid S | Chaosroid T | Chaosroid U

Ultraman Ginga EX

Alien Magma | Zetton
Mountain Peanuts (Short story)

Detton | Jamila | Nosferu | Android One Zero

Ultraman Ginga S

Victorian | Alien Chibu Exceller | Android One Zero | Chiburoid | Shepardon | EX Red King | Eleking | Alien Guts Bolst | Imperializer | King Joe Custom | Sadola | Gudon | Yapool | Vakishim | Gomora | Fire Golza | Gan Q | Five King | Bemlar | Bemstar | Doragory | Verokron | Alien Akumania Muerte | Alien Metron Jace | Zoa Muruchi | Birdon | Alien Zetton Berume | Hyper Zetton | Vict Lugiel | Alien Valky | Alien Nackle Gray | Alien Icarus

Ultraman Ginga S Movie Showdown! The 10 Ultra Warriors!

Etelgar | Five King | Alien Sran | Dark Mephisto | Alien Empera | Ultraman Belial | Dark Lugiel

Ultra Fight Victory

Aribunta | Yapool | Ace Killer | Victory Killer | Yapool | Verokron | Vakishim | Doragory | Lunaticks | Shepardon | Giant Yapool | Ron | Juda Spector | Super Grand King Spector

Ultraman X Kaiju & Seijin
Cyber Gomora | Cyber Eleking | Cyber Bemstar | Demaaga | Alien Fanton Guruman | Bemlar | Telesdon | Birdon | Cyber Alien Baltan

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