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Telesdon data
Home world: Planet Earth (Ultraman), Planet Boris (Ultra Galaxy)
First appearance: Ultraman Episode 22: "Land Destruction Objective" (1966)
Latest appearance: Ultraman X Episode 3: "The Song That Calls the Night" (2015)
Height: 60 m
Weight: 120,000 t
Category: Kaiju
Affiliation: Underground People
The Sun people
Alien Zetton (Reionyx)
Ultraman Belial
Chigusa Kuno (UltraLive user via Livepad)
Telesdon Roar

Telesdon (テレスドン Teresudon?) is a prehistoric, carnosaurian monster that was controlled by Underground People to attack the surface.

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



Generation IEdit

Telesdon 8

Telesdon in Ultraman

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.

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. The Littlest Hero

  • 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.
  • Vlcsnap2012032101h57m31

    Telesdon's "cameo" in Terror of Mechagodzilla

    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 Telesdon (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. The Dark Past


  • Unlike its original appearance, Telesdon bears many metallic pieces on its body, showing little signs of organics. However, this may just be his exoskeleton.
  • In this series, Powered Telesdon dooes not possess his flame breath abillity for unexplained reasons.

Ultra Galaxy Mega Monster Battle Edit

Telesdon galaxy

Telesdon, as seen in Ultra Glaxy

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. The Lawless Monster Planet

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 Telesdon in a beam battle with Telesdon's flames and Gomora's Oscillatory Ray. Ultimately, Telesdon was overpowered and killed by Gomora's ray. The Fifth Crewman

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. The Stone Which Calls Monsters


  • 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.
  • Telesdon in this series is shown able to resist sunlight, which the original one isn't capable of. It is possible that this Telesdon was adapted through time to resist it.

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 New Horizon of War


  • 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.
  • Like the one from Planet Boris, this Telesdon is also able to resist sunlight, which the original version isn't capable of. Other than the possibility of being extraterrestrial born types, it is also theorized that this one is a Battle Nizer monster, since those that contained in Battle Nizers became stronger thanks to said object.

Mega Monster Battle: Ultra Galaxy Legend The MovieEdit

Telesdon was one of monsters who were revived by Ultraman Belial as part of his Monster Army. 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. Mega Monster Battle: Ultra Galaxy Legend The Movie


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


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

Ultraman XEdit

K10 a

Telesdon was among the Spark Dolls that slumbered beneath the Earth and ocean and awakened after a solar flare bathed the Earth.

15 years later, it creates a series of earthquakes in Area T-7B, with the biggest one in Kamikura Street, prompting Xio to investigate the case. When they did, they encountered the Underground Woman who summoned Telesdon with her screech and sent him to the surface to rampage and soon encountered the Land Musketty. He tried to burn it alive but after it released some flares, Telesdon released its grip on it and retreated back underground.

The next night, the Underground Woman summoned Telesdon to rampage again. After protecting Asuna Yamase, Daichi Ozora transformed into Ultraman X to fight Telesdon. X had the upper hand at first, but then Telesdon used his environment and his new moves to get the edge on the Ultra until Hayato and Wataru used the new Ultlaser to save him. Rui and Mamoru then sent Cyber Eleking's data to X allowing him to gain the Eleking Armor. After countering Telesdon's drill attack with the whips produced from the armor, X finished off Telesdon with the Eleking Shock Wave and it turned into a Spark Doll as a result. The Spark Doll was salvaged by the Underground Woman, before she left it to Xio after after vanished due to being shot multiple times. The Song That Calls the Night

A cybernetic version of Telesdon, Cyber Telesdon (サイバーテレスドン Saibā Teresudon?) was created based on the Spark Doll, now contained in a Cyber Card. In episode 4, Hayata and Wataru used the Cyber Telesdon card sent by Rui and Mamoru to equip the Space Musketty with Telesdon's lava breath to save X from Bemstar. All for One

In the final episode of Ultraman X, after Greeza destroyed the Xio base, Telesdon's Spark Doll was absorbed by Greeza. After speaking out to Gomora and striking Greeza right in the center of his chest, Telesdon, along with all of the other Spark Dolls, traveled to X and united with him. Cyber Telesdon's power was used to help form the Hybrid armor and power up the Ultimate Xanadium to defeat Greeza once and for all. Telesdon, along with the numerous other Cyber Cards and Spark Dolls, then appeared and thanked Daichi as he thanked them.Land of the Rainbow


  • Suit Actor: Yokoo Kazunori


Telesdon info



  • Height: 60 m
  • Weight: 120,000 t
  • Origin: Underground
  • Attack: 800 (Galaxy), 900 (NEO)
  • Defense: 900 (Galaxy), 1000 (NEO)
  • Speed: 700 (Galaxy), 800 (NEO)

Powers and ​WeaponsEdit

  • Flames: 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.
Ultra GalaxyEdit
  • Sunlight Resistance: The extraterrestrial-born Telesdon is shown able to resist sunlight, while being proven that its race is nocturnal.
Ultraman XEdit
  • Lava Breath: While it breathes fire, according to Daichi, it actually emits destructive lava.
  • Drill Formation Attack: Telesdon can spin into a drill for easy travelling underground and ambushes its opponents.
  • Sharp Beak: Telesdon has a beak that is sharp enough to be used as a makeshift weapon.

Telesdon 5



  • Height: 60 m
  • Weight: 120,000 t
  • Origin: Underground

Powers and WeaponsEdit

  • Burrowing: Telesdon can burrow at moderate speeds.
  • Sunlight Resistance: Re-Telesdon is shown able to resist sunlight, while being proven that its race is nocturnal.

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: 60 m
  • Weight: 120,000 t
  • Origin: Xio headquarters
  • Cyber Power: 19/25

Powers and AbilitiesEdit

  • Lava Breath: Cyber Telesdon can unleash a stream of lava from his mouth.

Other mediaEdit


Telesdon 13

Telesdon in Redman

Telesdon appeared in the TV series Redman.

Episode 31 Edit

Telesdon was seen walking and teleporting with Eleking until coming face to face with Redman. The two of them decided to charge at him from different sides but the hero stopped them in their tracks. After a satisfying fight, Redman killed Telesdon with a few chops to the head followed by a judo throw. After that, he killed Eleking with his Red Knife.

Episode 34 Edit

Telesdon reappeared in this episode alone where he was wondering through the mountains when Redman teleports behind him resulting in another fight. Redman held the advantage throughout the fight even when it looked like Telesdon appeared to be winning. After tricking it into bashing it's head against a rock, the hero killed Telesdon with a Red Chop to the back of the monster's head.

Ultra FightEdit


Telesdon in Ultra Fight

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


  • The Telesdon suit is the original but by this point is severely deteriorated. The still deteriorated suit would later be slightly modified for the monster Detton from The Return of Ultraman.
  • In this series Telesdon has Zambolar's roar.

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
Bemular | Alien Baltan | Neronga | Ragon | Greenmons | Guesra | 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

Darkron | Black King | Arstron | Garamon | Alien Icarus | Dorako | Peguila | Jirass | Alien Baltan | Alien Goron | Gomora | Woo | Kanegon | Alien Mefilas | Sadola | Dangar | Ghostron | Gokinezula | Eleking | Telesdon | Nokogilin | King Maimai | Satan | Bemstar | Beacon | Gronken | Zaurs | Kingstron | Stegon | Alien Mystellar | Zagoras | Kodaigon | Granadas | Plooma | Sasahiller | Alien Centaurus | Gudon | Red Killer | Draculas | Shugaron | Alien Bat | Zetton II


Big Liger | Gureigasu | Sufinga

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 | Rei's Gomora | Rei's Litra (S) | Juran | Golza | Gudon | Neronga | Bemstar | Fire Litra | Fire Golza | Gan Q | Banpira | 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 | Rei's Gomora | Dorako | Eleking | Alien Hook | Rei's Litra (S) | Alien Guts | Alien Zelan | Arstron | 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 Bemular | Alien Zarab | Zaragas | Rei's Gomora | Dorako | Bemstar | Saramandora | Windom | Miclas | Agira | Pigmon | Rei's Litra (S) | Gomess (S) | Alien Baltan | Antlar | Red King | Magular | Telesdon | Dada | Alien Mefilas | Alien Zetton | Zetton | Eleking | Alien Metron | Nurse | 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 Guesra | Beryudora
Ultra Galaxy Gaiden: Ultraman Zero vs. Darklops Zero Rei's Gomora | Litra | Darklops Zero | Mecha Gomora | Alien Salome | Robot Ultraseven | Robot Ultraman | Robot Ultraman Jack | Fake 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 Zero Gaiden: Killer the Beatstar Beatstar | Rei's Gomora | Ace Killer | Inpelaizer | King Joe | Litra | Alien Bat
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 | Shepherdon | EX Red King | Eleking | Alien Guts Vorst | Inpelaizer | King Joe Custom | Sadola | Gudon | Yapool | Vakishim | Gomora | Fire Golza | Gan Q | Five King | Bemular | 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 | Giant Yapool | Ace Killer | Victory Killer | Verokron | Vakishim | Doragory | Lunaticks | Shepherdon | Juda Spectre | Super Grand King Spectre

Ultraman X Kaiju & Seijin
Ultraman X Greeza | Bemular | Aboras | Banila | Pestar | Magular | Peguila | Cyber Gomora | Demaaga | Alien Fanton Guruman | Birdon | Telesdon | Underground Woman | Alien Zarab | Bemstar | Black King | Black King Drill Custom | Alien Nackle Bandero | Alien Gold tE-rU | Rudian | Gargorgon | Zetton | Alien Sran Quila | Alien Valky Halky | Alien Icarus Icary | Alien Nackle Nackley | Samekujira Jolly | Alien Babarue | Dada | Kemur Man | Alien Zetton | Alien Akumania Referee | Houlinga | King Joe | Gina Spectre | Tsurugi Demaaga | Zaragas | Alien Magma | Alien Shaplay | Mold Spectre | Shepherdon (flashback) | Windom (flashback) | Miclas (flashback) | Agira (Flashback) | Alien Makindo | Mecha Gomora | Juda Spectre (soul) | Guar Spectre | Gomess (S) | Gubila | Cicada Woman | Pigmon | King Guesra | Red King | EX Red King | Space Cat Mu | Dorako | M1 | Gomora | EX Gomora | Bugbuzun Brood
Ultraman X The Movie: Here Comes! Our Ultraman Alien Fanton Guruman | Cyber Gomora | Zaigorg | Gorg Antlar | Gorg Fire Golza | Tsurugi Demaaga | Alien Baltan
Ultraman Festival 2015 Skedon | Cyber Skedon | Denpagon | Cyber Denpagon

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