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Played by: Bin Furuya, Voiced by: Masao Nakasone (grunts), Hisashi Kondo (in Episodes 1 and 39), Susumu Kurobe (current)
The original red-and-silver hero of the Ultra Series and a pop culture icon in Japan. Ultraman is a being from the Land of Light in Nebula M78 who merged with a human named Hayata when he accidentally killed him. He was originally a low-ranking member of the Space Garrison, the universal police force that the Ultras make up. As the first of his kind to make a career out of protecting Earth from giant monsters and evil aliens, Ultraman has become a major figure in many stories since.
  • Art Evolution: Ultraman's design has actually changed a bit over the original series' run. The face has become smoother, the eyes have become wider, and the mouth has become shorter. See here.
  • Badass Teacher: Before coming to Earth and beginning his long career as a superhero, Ultraman was the equivalent of a university professor on his home planet.
  • Beethoven Was an Alien Spy: According to The Blue Stone of Barraj, one of his previous hosts was Noah.
  • The Cape: As far as the franchise and even Japanese fiction goes.
  • Catchphrase: After Ultraman defeats his enemy, he slowly looks skywards, then flies away shouting: SHUWATCH!!!
  • Cool Old Guy: Ultraman is 20,000 years old. When presented with the chance to be revived and return to M-78, he demands that Hayata be revived instead, reasoning that the comparatively young human needs the time more than he does.
    • Note that, from his comments to Zoffy, it can be surmised that this is a ripe old age even by Ultra standards. Successive Ultras are also younger than that when they come to Earth, and have "younger" personalities to match. However, it is mentioned in Ultraman Leo that Ultraman King is a mighty 200,000 years old, being the oldest known Ultra (except Ultraman Tiga, who exists in a different canon). This means that Ultraman is the equivalent of an adult in his 30's.
  • Creepy Monotone: When he speaks to Hayata directly in the first episode, and to Zoffy in the last. It might be an effect of the Travelsphere, because he apparently speaks with a normal voice elsewhere.
  • Critical Annoyance: The Color Timer is pretty much the Trope Codifier in Japan, if not the Trope Maker period.
  • Curb-Stomp Battle: Many of his early battles were this. Antlar was the first opponent to put up a real challenge though.
  • Energy Weapon: He's got several, but prefers to use wrestling moves until his ray attacks are a certain kill or it's safe to use them.
  • Experienced Protagonist: Comes to Earth with a long lifetime of training, takes a host with a (shorter) lifetime of training. This is, in fact, Ultraman's defining characteristic as compared to later Ultras, and he is typically depicted as having a sense of justified assurance about him. (But, because this makes both Ultraman and Hayata a little harder to relate to directly, later series tend to have the protagonists be newcomers.)
  • Hour of Power: Ultraman can only appear for three minutes and then he's off. This is because solar power is harder to come by under atmosphere, and he's able to survive without a time limit in space.
  • Memetic Hand Gesture: Again, probably the Trope Codifier in Japan. The Specium Ray hand pose. Left hand horizontal, right hand vertical, connected at the wrist with the left in front.
  • New Powers as the Plot Demands: Though it's clear that they're old hat to him, and the "new" powers are just less convenient for him to use.
  • No-Sell:
    • One of his unique abilities is that electric attacks simply don't work on him. Best shown when he just dusts himself off after one such attack hit him.
    • Dada's shrink ray would end any fight via virtue of rendering foes small and helpless, Ultraman isn't phazed and just grows back to giant size willingly to kick ass.
  • Psychic Powers: He's shown to be capable of Telekinesis and Teleportation, and might be using Telepathy to communicate when he speaks normally.
  • Rings of Death: The Ultra Slash is a Specium ring that he forms and throws. It cuts right through most monsters, but can be stopped by barriers.
  • Simple, yet Awesome: Most of his signature abilities are considered basic by Ultra standards (his signature Finishing Move is actually the most basic of all Ultra Beams), but he's so good with them that he doesn't need the fancier abilities his younger successors typically have.
  • Superpowered Alter Ego: Ultraman is this to Hayata. (In practice, it's not actually clear to what extent Ultraman-Hayata is Hayata, or is Ultraman. Ultraman acts pretty much like Hayata when he comes back to Earth and takes his form.)
  • Super Speed: Can fly at mach speeds.
  • Symbiotic Possession: The reason Ultraman takes a human host is to save Hayata's life, and in exchange, Ultraman gets to stay on Earth for more than three minutes at a time. They remain two distinct beings, and in the last episode, they separate to let Hayata stay on Earth while the big guy goes back to M-78 to recover after his defeat at the hands of Zetton. Again, the show never goes into how their personalities work in a fused form, and it really might just be a tremendous coincidence that Ultraman accidentally killed the rare human he could see eye to eye on. (Later shows make it clear that the host and the Ultra are two different people; this one didn't bother.)
  • Voluntary Shapeshifting: Of a sort. He's fused with Hayata during the first series, and they are separate entities, but takes his form in later appearances for some reason.
    • Sentimentality?

Played by: Bin Furuya (Ultraman, #39), Voiced by: Masao Nakasone (grunts), Hikaru Urano (Ultraman, speaking voice), Makoto Ataka (Andro Melos, speaking voice), Hideyuki Tanaka (speaking voice in Heisei era, current)
A high-ranking officer of the Space Garrison, Zoffy first appeared in the final episode to take Ultraman back to his home, the Land of Light. He has become a significant character in later entries, first reappearing in Ultraman Ace, as the captain of the Ultra Brothers (Ultraman, Ultraseven, Ultraman Jack, Ultraman Ace, and Ultraman Taro) and the one who assigns Ultramen to Earth.
  • Alien Invasion: Specializes in eliminating massive ones from attacking the Milky Way as seen in a flashback in Ultraman Mebius where he singlehandedly destroy an entire alien armada.
  • Ascended Extra: First appeared as another member of Ultraman's species in the final episode, but from Ultraman Ace onwards, he has become a major character in the Ultra Series.
  • Badass Cape: As seen in Mega Monster Battle: Ultra Galaxy Legends and some scenes in Ultraman Mebius
  • The Captain: As the commander of the squad known as the Ultra Brothers.
  • Chest of Medals: Those studs on his chest and shoulders? They're medals of honour and rank. After all, there's a reason why he's such a powerful Ultraman.
  • Colonel Badass: Although not seen in action on Earth as often as the other Ultra warriors, he's even more capable of a warrior than any of them. Part of the reason we don't see him too often is he's often busy wiping out entire alien invasion fleets by himself.
  • 11th-Hour Ranger: Subverted. Zoffy only appears in the last episode, after Zetton was defeated.
  • Finishing Move: The M87 Ray, though he's rarely shown actually using it. According to expanded universe materials, it's the "the strongest beam in the universe". Given he can wipe out entire alien armadas with it and alongside Mebius is eventually used to kill the immensely powerful Alien Empera, its reputation is well justified.
  • Hero of Another Story: Has his own adventures offscreen, which include taking out entire invasion fleets on his own.
  • Meaningful Name: Zoffy is derived from Japanese pronunciation of "sophos", which is the ancient Greek word for "wisdom".
  • Offscreen Moment of Awesome: The guy's specialty is taking out entire invasion fleets on his own long before they can reach Earth.
  • One-Man Army: Apparently regularly takes out entire invasion fleets on his own.
  • The Stoic: Unlike Ultraman, Zoffy displayed a stricter adhesion to protocol when the former asked for Hayata to be spared after the fight with Zetton.

    The SSSP 
The very first defense team in the Ultra Series, SSSP, short for "Science Special Search-Party", and also known as the "Science Patrol", is a global organization established by Professor Ichinotani after the events of Ultra Q to deal with the increasing number of kaiju and aliens. Like all attack teams after them, they specialize in investigating strange phenomenon involving monsters and aliens, acting as the front line in the event of a monster or alien attack, using advanced technology and hi-tech vehicles, while supporting Ultraman when necessary.

As a whole

  • Badass Crew: While Ultraman ends up saving the day for them more often than not, they do have their fair share of moments every now and then.
  • Dub Name Change: Science Patrol is actually their English dub name. In the original Japanese, they were called the SSSP (Science Special Search Party). Nevertheless, Science Patrol has stuck with fans.
  • Five-Man Band: They fit the roles more perfectly than any other defense team in the Ultra Series except perhaps Ultra Garrison in Ultraseven.
  • True Companions: They're pretty much like a family, except that they fight giant monsters.

Shin Hayata
Portrayed by: Susumu Kurobe
The human host of Ultraman. Hayata is a sincere young man who always tries to do what's right before anything else. He is able to transform into Ultraman by using the Beta Capsule.
  • Badass Normal: Hayata has no special powers besides being able to put "Monster Extermination Specialist" on his business cards.
  • The Cape: As far as you could reasonably expect a public servant to be. (Later shows have the protagonist be a bit more human, and fallible.)
  • Henshin Hero: There were others, but he and Ultraman codified it.
  • The Hero: He is the one who turns into Ultraman, after all!
  • Nice Guy: Hayata believes in doing what's right first and foremost and is on good terms with all his teammates.
  • Number Two: He typically takes over leadership of Science Patrol when Muramatsu is unavailable.
  • Sharing a Body: Implied to be the case with him and Ultraman. In a discussion with Mefilas, the alien, confused as to whether Hayata or Ultraman is speaking, asks him if he is an Earthling or an alien, to which Hayata says that he is both.

Captain Toshio Muramatsu
Portrayed by: Akiji Kobayashi
The leader of Science Patrol. Captain Muramatsu is a very serious and intelligent man with an aura of fatherly respect and wisdom.
  • A Day in the Limelight: "Human Specimens 5 and 6", and he's one of the title specimens being hunted down by Dada.
  • A Father to His Men: His relationship with the team, particularly Arashi and Ide.
  • The Captain: The original example of the Ultra Series.
  • Colonel Badass: While Dada is in no way Ultraman's most powerful enemy, it takes a lot of guts for a regular human to punch him.
  • Distinguished Gentleman's Pipe: Can be seen smoking one in a few episodes.
  • Dub Name Change: In the English dub, his surname is shortened to just "Mura".
  • The Lancer: Although the leader of the Science Patrol, he essentially fills this role to Hayata.
  • Reasonable Authority Figure: He's shown to be the most level-headed person at any military meeting discussing how to deal with kaiju and aliens, usually suggesting the one that's least likely to make things worse — something he also carries onto his team

Daisuke Arashi
Portrayed by: Sandayu Dokumamushi (credited as "Iyoshi Ishii")
The best shot on the team, Arashi seems like a typical trigger-happy "tough guy" at first, but underneath is a caring and loyal personality. He wields the Spider-Shot, a two-handed laser rifle that can do more damage than the typical Science Patrol ray gun.
  • A Day in the Limelight: "Don't Shoot, Arashi!"
  • The Big Guy: Of the Five-Man Band that makes up Science Patrol, due to his love of taking the first shot with the biggest gun of the team.
  • Friend to All Children: He's shown to have a soft spot for kids and cares a lot about their well-being.
  • Hand Cannon: His weapon of choice, the Spider-Shot (or Gamma-Ray Gun in the dub), a powerful two-handed laser rifle.
  • Jerk with a Heart of Gold: Although prone to shooting before asking questions, Arashi really is a good guy who tries to do what's right.
  • Trigger Happy: His defining trait is his tendency to enthusiastically take the first shot at the Monster of the Week without consideration, which once got him into trouble against the kaiju Zaragas.

Mitsuhiro Ide
Portrayed by: Masanari Nihei
The brains of Science Patrol. Ide is a lovable goofball who comes up with all sorts of genius inventions to help Science Patrol take on whatever monster is terrorizing Japan in the episode.
  • A Day in the Limelight:
    • "My Home is Earth" focuses on his dilemma of not wanting to hurt Jamila, who he saw as a brave precursor for scientists like himself.
    • The subplot of "The Small Hero" sheds some light on his feelings towards Ultraman.
  • Armor-Piercing Question: Delivers one to Jamila when the latter attacks a village.
    "Damn you Jamila, don't you have any humanity left in you?"
  • Butt-Monkey: A lot of the slapstick in the show happens to him. He's been smacked in the face by Arashi, had his foot stamped on, broken his leg, bonked his head, and a lot more.
  • Ditzy Genius: Despite his ability to come up with all sorts of marvelous inventions for Science Patrol, he tends to be rather clownish and immature at times.
  • Dub Name Change: "Ide" becomes "Ito" in the English dub.
  • Gadgeteer Genius: Designs all sorts of cool inventions to help against the Monster of the Week.
  • Missing Mom: It's revealed in "The Phantom Snow Mountain" that he lost his mom when he was young.
  • Mr. Fixit: He also has the job of repairing the V-TOLs after battles.
  • Plucky Comic Relief: He's pretty goofy compared to the rest of Science Patrol.
  • The Smart Guy: Of Science Patrol, since he's the guy who makes most of their weaponry.

Akiko Fuji
Portrayed by: Hiroko Sakurai
The only woman on the Science Patrol, Fuji usually stays on base as the communications officer. Although, she can be somewhat naive at times, she is the most levelheaded and warmhearted member of the team.
  • A Day in the Limelight: "Pearl Oyster Defense", one of the few episodes where she gets to participate more than usual in the episode's monster hunt.
  • Bridge Bunnies: And she would codify it for many years to come, though she does get a few opportunities to join the men on the field.
  • The Chick: Of Science Patrol, being the sole female member and the kindest of the group.
  • Mission Control: Her usual job is to take in and deliver transmissions for Science Patrol.
  • Nice Girl: She's the most reasonable member of the team after Hayata and also the nicest of them.
  • The Smurfette Principle: Another trope she would codify for the Ultra Series in the many years to come.

Isamu Hoshino
Portrayed by: Akihide Tsuzawa
An ll-year-old boy who idolizes the Science Patrol and dreams of becoming a full-fledged member of the organization one day. Although he can be troublesome sometimes, he gets to tag along on their adventures. In the English dub, he is Fuji's younger brother.
  • Ascended Fanboy: His many adventures with Science Patrol are eventually awarded in "Passport to Infinity" when he is made a full-fledged member of the team, complete with his own uniform.
  • Chuck Cunningham Syndrome: Disappears after "The Dreaded Comet Tsuiphon" due to Akihide Tsuzawa having to drop out after breaking his leg in a skiing accident. Child characters in subsequent episodes, like Satoru, were originally roles meant to be filled by Hoshino.
  • Dub Name Change: Due to his relationship with Fuji being changed to her sibling in the English dub, he becomes Hoshino Fuji instead.
  • Related in the Adaptation: As already mentioned, he's Fuji's younger brother in the English dub. Although quite fitting, given the two's relationship, the problem is that Fuji is later established to have a little brother in the Mefilas episode.
  • Tagalong Kid: He often gets to join Science Patrol on their adventures, but has also been helpful against the Monster of the Week on a few occasions.
  • Wise Beyond Their Years: He's shown to be quite sensible and mature for an eleven-year-old boy.

Dr. Iwamoto
Portrayed by: Akihiko Hirata
A scientist who recurs throughout the show as Science Patrol's primary expert for scientific consultation, first appearing in the fifth episode.
  • Expy: Fills in the role that Professor Ichinotani did for Ultra Q. Iwamoto also had a number of his own expies in the show whenever his actor wasn't available. Many of these shared similar surnames like Yamamoto or Miyamoto.
  • Gadgeteer Genius: Asides from creating the team's Jet V-TOL, he's developed many other inventions for Science Patrol,including the rocket boosters needed to let the Jet V-TOL to perform space travel.
  • The Professor: His role for Science Patrol. He also designed their Jet V-TOL.

    Monsters and Aliens 

First Appearance: Ultra Operation 01
This extraterrestrial reptilian monster was the very first creature to battle Ultraman, having fled to Earth with the hero in hot pursuit and then hiding in Lake Ryugamori while Ultraman merged with Hayata after accidentally killing the human during the chase.

Due to his incredibly precious status as the first monster to have ever faced an Ultra hero, Bemular is one of the Ultras' most well-known and popular enemies and has reappeared in many later entries of the Ultra Series.

  • Breakout Villain: A natural consequence of being the very first kaiju to battle an Ultraman.
  • Breath Weapon: Shoots a blue heat beam from his mouth.
  • Came from the Sky: Can transform into a comet to fly, and crashlands in a lake.
  • Dirty Coward: The episode opens up with him flying away from Ultraman to Earth and hiding in a lake. He also attempted to escape in its blue ball form after losing the fight with Ultraman. The keyword is "attempted" because Ultraman blows him out of the sky.
  • Everything's Better with Dinosaurs: Especially space ones.
  • Mythology Gag: His name is taken from the original design for Ultraman.
  • Not Zilla: Very obviously based on a certain giant reptile.
  • Spell My Name with an "S": Bemular or Bemlar?
  • Spikes of Villainy: Has spikes running across his back. They're pretty much just there to look menacing, since he never uses them in combat.
  • Starter Villain: The very first monster in the Ultra Series to fight an Ultraman.

Alien Baltan
First Appearance: Shoot the Invaders!
Voiced by: Akihiro Nishida (second appearance)
The first aliens to battle an Ultraman, the Baltans are a race of insectoids who destroyed their planet by nuclear war and decided to seize Earth after taking a liking to the world when they stopped at a science facility to make some repairs to their spaceship. They returned later on in the series when one was sent to capture the renowned scientist Dr. Mohri in order to distract Science Patrol while the rest of its kind invaded Earth.

To the Ultra Series as the Daleks are to Doctor Who and King Ghidorah is to Godzilla, Alien Baltan is the most iconic and popular of all Ultra monsters. His immense reputation has earned him numerous appearances in other Ultraman series, as well as the many cameos in non-Ultraman media. Although he's been Demoted to Extra since Ultraman Max, Baltan remains the Ultras' most famous and recognizable foe to this day.

  • Arch-Enemy: Considering that Baltan has shown up more frequently than most Ultraman foes, especially with the following series, it's only obvious that this guy truly is the arch-foe of the Ultra heroes.
  • Art Evolution: The second Baltan has a brownish skin colour compared to the bluish original, as well as a slender and less detailed appearance. Later Baltans would follow the design of the first though.
  • Attack Reflector: In his second appearance, he has one of these to stop the Specium Ray.
  • Barrier Warrior: Creates a force field in his second appearance.
  • Breakout Villain: Easily the most popular opponent of the Ultramen. Despite not having appeared very much since Ultraman Max, Baltan is often as recognizable to many as Ultraman himself.
  • Demonic Possession: The second Baltan uses this on Professor Mohri to distract Science Patrol for a takeover of Earth and the first one does this to Arashi in order to communicate with Science Patrol.
  • Doppelgänger Spin: Their signature technique is to create duplicates of themselves to confuse foes.
  • Evil Laugh: It's what the Baltans are best known for (though it's actually taken from Matango).
  • Fusion Dance: Lots of tiny Baltans can merge into a single giant Baltan.
  • Glowing Eyes of Doom: The big yellow eyes (although they're sometimes red).
  • Half the Man He Used to Be: The second one's fate.
  • Insectoid Aliens: Resemble humanoid locusts or cicadas with pincer claws.
  • Kryptonite Factor: Their weakness is a substance called Specium, according to Muramatsu in their first appearance. Happens to be Ultraman's energy beams are composed of it.
  • Mascot Mook: Without a doubt, the most iconic alien or monster the Ultras have fought.
  • Ninja: Inspired by them. He's even nicknamed "Space Ninja".
  • Power Pincers: The two big claws on their hands can fire a variety of attacks including energy bullets, white beams of destruction, and paralysis rays.
  • Sizeshifter: While many of the aliens in the Ultra Series can do it, Baltan takes it Up to Eleven. They're normally very small (insect-sized), but can grow to the size of a human or an Ultra.
  • Teleport Spam: Another of Baltan's favourite abilities.

First Appearance: Science Patrol Moves Out
A monster originally defeated in the medieval period by a samurai warrior, Neronga was resurrected in the present by the construction of a power plant over his tomb, which has granted him a thirst for electricity and the ability to use any electricity he consumes to become invisible.

Neronga is famously created from a modified Baragon suit and has reappeared a few more times after its debut in such series as Ultra Galaxy Mega Monster Battle, Ultraman R/B, and Ultraman Z.

  • Acrofatic: He's surprisingly swift for his barrel-shaped body.
  • Curb-Stomp Battle: Poor guy does absolutely horribly against Ultraman, with the only attack he lands on the hero having absolutely no effect on him!
  • Energy Absorption: Consumes electricity to power his invisibility.
  • Everything's Better with Dinosaurs: Invisible, electricity-eating dinosaurs!
  • Eye Scream: Hoshino of all people nails one of his eyes with a weapon he nicked from Arashi.
  • Invisibility: His main gimmick is his ability to remain invisible for long periods after absorbing electricity. His Boss Subtitles are even "Transparency Monster".
  • Meaningful Name: Was named after the much-maligned Roman emperor Nero.
  • Sealed Evil in a Can: Hoshino does some research on him and learns that Neronga was originally imprisoned underground by a samurai long ago, awakening as a result of a power plant being constructed over his tomb.
  • Shock and Awe: Shoots lightning from his horn and antennae and feeds on electricity.
  • Took a Level in Badass: The Science Patrol theorizes the monster used to be much smaller but grew in size and gained its powers by absorbing electricity from the power plant built over its resting place.
  • Visible Invisibility: Would appear in a ghostly form very briefly in some scenes.

Giant Ragon

First Appearance: Five Seconds Until the Big Explosion
An amphibious humanoid creature that was mutated into a giant when an atomic bomb was lost at sea and exploded. Worse still, a second nuclear bomb that had been lost in the incident was now dangling precariously from the monster's body, threatening to detonate if it fell off or was hit by a poorly aimed shot.

Having originally appeared in Ultra Q, Ragon's appearance in this series (albeit as a giant monster rather than a human-sized one due to its mutation) marks the first time an Ultra Series monster has appeared in more than one entry of the franchise.

See Ultra Q

First Appearance: Secret of the Miroganda
A rare Miroganda Flower from Oirisu Island brought back by an expedition team for study. One of the team experimented on it with gamma rays to try and enlarge it, only to create misshapen ambulatory biped that resembled the Miroganda Flower's carnivorous sprout form, but with a murderous intent towards those who took it away from its island home.
  • Foul Flower: Is the mutated form of a beautiful flower, turning it into a giant monstrous version of its malformed carnivorous sprout stage.
  • Kill It with Fire: Was killed by Ultraman's Specium Ray lighting it on fire. It's still a plant after all.
  • Make My Monster Grow: When Arashi hits it with his Spider-Shot, the ray gun's radioactive beams instead make Greenmons kaiju-sized.
  • Man-Eating Plant: Upon being mutated, Greenmons begins attacking people, specifically the scientists who had discovered it (although how it knew who to attack is never answered).
  • Nuclear Nasty: Was the result of the Miroganda Flower being exposed to gamma rays, turning it into a vengeful monster.
  • Poisonous Person: Can spray poisonous pollen at enemies.
  • Punny Name: It's a greenery monster named Greenmons...
  • Roaring Rampage of Revenge: Greenmons wanted to kill all the people involved in the expedition to Oirisu Island for taking it out of its natural habitat and subsequently turned it into a monster.
  • Spell My Name with an "S": Also called Green Monse.

First Appearance: Coast Guard Command
Originally a member of a species of lizard from Brazil that feeds on cocoa beans, Gesura arrived in Japan from a shipment of cocoa beans, only to be mutated by the polluted waters of Tokyo Bay into a shipwrecking leviathan with a particular taste the cocoa beans of South American cargo ships.

Gesura has appeared several more times in the Ultra Series, but with a revamp to his design dubbed King Gesura, which gave the mutant lizard a more menacing appearance.

  • Achilles' Heel: Tearing off his back fin.
  • Breakout Villain: Not to the extent of many other examples in this series, but Gesura has becoming a rather enduring monster.
  • Do Not Taunt Cthulhu: A gangster by the name of Diamond Kick has the wonderful idea of shooting at Gesura with a revolver as said monster stands right next to the building he's in. Naturally, Gesura destroys the building. Although the gangster does survive his blatant stupidity.
  • Fish Eyes: Big goggly eyes.
  • Meaningful Name: It comes from Japanese for sewer (gesuido), a reference to the Sewer Gator legends as evidenced by his backstory as a reptilian mutation from polluted waters.
  • Poisonous Person: Has numerous small quills loaded with poison capable of harming an Ultra.
  • Sea Monster: Was originally a normal lizard, but got mutated into such by ocean pollution.
  • Spell My Name with an "S": Also known as Guesra.
  • Trademark Favourite Food: Cocoa beans, though this was removed in later appearances.

First Appearance: The Blue Stone of Barraj
An insect-like monster from the Middle East that terrorized the ancient city of Barrajnote , only prevented from destroying it due to the presence of a mystic Blue Stone given to the people by Ultraman long ago. Science Patrol ran into him when they came to the Middle East to investigate plane disappearances over the region caused by the beast's magnetic powers.

Antlar is one of Ultraman's most famous enemies due to his formidable combat prowess and beetle-like appearance making him extremely appealing to many, thus appearing in many other Ultra Series. He hasn't always been associated with Barraj or the Blue Stone in later appearances though.

  • Antlion Monster: Often creates massive sand pits from where only its head is visible, much like a real antlion.
  • Arch-Enemy: To the city of Barraj, which he terrorized for so long that Barraj faded into legend as nobody would dare go into Antlar's territory and eventually forgot the place existed.
  • Big Creepy-Crawlies: An enormous bipedal mix of ant lion and a stag beetle
  • Breakout Villain: Antlar has reappeared very regularly since his return in Ultraman Max.
  • Dishing Out Dirt: Seen blasting sand at Ultraman's face.
  • Four-Legged Insect: The suit only has two legs and two arms.
  • The Juggernaut: His exoskeleton's tough enough to withstand almost anything, including the Specium Ray.
  • Kryptonite Factor: The Blue Stone of Barraj was the only thing that could kill him in his original appearance. In later appearances, where the stone doesn't appear, this is removed.
  • Magnetism Manipulation: His signature skill is a powerful beam of magnetic energy fired from his mandibles that is capable of pulling a jumbo jet from the sky.
    • Selective Magnetism: As part of the Magnetic Beam. He's been shown to be able to magnetize living beings too.
  • Punny Name: His Japanese name "Antora" is a combination of "ant lion", and the Japanese pronunciation of "antler", since Antlar's massive mandibles are based on stag beetle horns.
  • Tough Beetles: A giant stag beetle-esque kaiju that can withstand almost anything Ultraman attacks him with, and retaliates with massive strength, and he's usually required to be weakened with the Blue Stone of Barraj before one could finish him off.
  • Tunnel King: A powerful burrower, often creating large sand pits like an ant lion.
  • Wake-Up Call Boss: Compared to the previous 6 opponents, Antlar was no pushover and probably the first monster where Ultraman's defeat became a real possibility.

Red King
First Appearance: The Lawless Monster Zone
The brutal ruler of Tatara Island, Red King made a living out of terrorizing any creature that entered its territory, including Science Patrol when they came to rescue scientists trapped on the island in a botched expedition. The creature would later reappear in the Japanese Alps when he swallowed a lost cluster of hydrogen bombs while a comet that could potentially cause the bombs to explode was passing by Earth.

One of the most iconic and popular monsters in the entirety of the Ultra Series, Red King is infamous for his raw physical power and bullying characterization. Thus, he has made numerous reappearances in the franchise and against a variety of other opponents, be they Ultra hero or kaiju.

  • Achilles' Heel: His feet are his weak spot. Defense teams like to trick him into dropping boulders on his feet.
  • The Artifact: His Non-Indicative Name is a leftover from when he was originally meant to be the Big Bad of an Ultraman prototype called Redman.
  • Badass Normal: Despite possessing no abilities, Red King is still strong enough to rip monsters to pieces, LITERALLY limb-from-limb
  • Breakout Villain: After Red King returned in Ultraman Max, he has appeared in nearly every Ultraman-related series or product since then.
  • The Bully: He likes to pick on monsters weaker than him, and sometimes even inserts himself into other monsters' fights just to kick the crap out of both for fun.
  • Curb-Stomp Battle: Red King is usually the one to dish these out on other kaiju, but he's firmly on the receiving end whenever faced with an Ultra.
  • Dumb Muscle: As evidenced by his inability to stand up against an Ultra in battle. His internal anatomy which shows he has a very small brain for a creature of his size.
  • Everything's Better with Dinosaurs: Strongly resembles one.
  • Jerkass: Most of Red King's appearances usually portray him as an evil monster, or more or less a bad monster. He enjoys bullying and beating up weaker monsters, even going as far to shove himself into their fights and kill both combatants.
  • The Juggernaut: Is often portray as this when surrounded by other monsters since he does not have any special abilities.
  • Kick the Dog: Loves doing it, such as tearing off Chandler's wing and killing Pigmon in their first episode, as well as killing Dorako and beating the crap out of Gigass after teaming up with him.
  • Non-Indicative Name: He's not actually red. It was just that he was intended to be the series' Big Bad when Ultraman was still in the works as "Redman".
  • Off with His Head!: His death in the original series.
  • Signature Roar: His iconic "SHHPAARRR", created from mixing Gaira with Godzilla.
  • Super Strength: Red King is strong, even by kaiju standards, able to take out pretty much any other monster with ease through brute force alone.
  • Tail Slap: Not as effectively as Gomora, but he can use his tail to do this as well.
  • Tiny-Headed Behemoth: For such a burly monster, his head is comically small. Tohl Narita designed him this way to add a sense of perspective, as well as highlight his lack of intelligence.
  • Weapon of Choice: Likes to hurl rocks and boulders at humans.
  • The Worf Effect: Despite being able to defeat other monsters with relative ease, he's pretty much Ultraman's bitch any time they fight.
  • Wrestler in All of Us: Red King's fighting style literally looks like something out of WWE. Mind you he came in the late 1960s.

First Appearance: The Lawless Monster Zone
A bat-like monster encountered on Tatara Island by Science Patrol, Chandlar was spotted battling Red King by the team. He proved no match against Tatara Island's tyrant and was gruesomely defeated by the stronger monster, starting off thehaving Red King brutally pummel other monsters to show off his strength.
  • An Arm and a Leg: Red King defeats him by ripping off one of his wings, and then throwing it at him while he's running away.
  • Bat Out of Hell: Bears a resemblance to a giant bat, though he can't fly at all.
  • Blow You Away: Pretty much the only challenge he puts up to Red King asides from biting him on the shoulder is the hurricane winds from his wings.
  • Butt-Monkey: The sole reason Chandlar appears is to act as Red King's punching bag.
  • Long-Lost Relative: Some supplementary sources claim that Chandora is the brother of Peguila, as the two monsters look almost exactly alike. The show makes no remark on this matter.
  • Spell My Name with an "S": Also called Chandler, Chandora, Chandra, and Chondra (the last one only in Ultraman: The Ultimate Hero).
  • Wings Do Nothing: Though, he can flap them to create powerful winds.

First Appearance: The Lawless Monster Zone
Magular was a burrowing monster living on Tatara Island who did his best to keep out of Red King's way. However, he stumbled across Hayata and Muramatsu and attacked them, only to be swiftly killed by the humans. Like Neronga, Magular was made from a modified Baragon suit and has reappeared in some other Ultra Series since then.
  • Butt-Monkey: He was defeated by the Science Patrol with ease. Only taking two grenades to kill him.
  • Dirty Coward: He won't pick a fight with anyone bigger than him, but he has no problem attacking humans or teaming up with an opponent.
  • Everything's Better with Dinosaurs: Giant tunneling ones for that matter.
  • Punny Name: Magular's Japanese name is Magura, which is a pun of "mogura", the Japanese word for "mole", befitting of his subterranean habits.
  • Tunnel King: More or less the only thing he's capable of.

First Appearance: The Lawless Monster Zone
A small monster that lived in the shadows of Tatara Island's gigantic denizens, Pigmon was friendly towards humans and protected some scientists that were stranded on the island when Red King had attacked them, even helping Science Patrol find the men. He later returned to warn Science Patrol of Geronimon when the Monster Chief planned to resurrect an army of monsters to destroy humankind.

Notable for being the first friendly monster and non-human ally encountered by an Ultra hero, Pigmon is among the most well-known monsters of the Ultra Series and has proven to be a quite popular with many. For these reasons, he tends to reappear often and usually in similar roles to his original ones.

  • Benevolent Monsters: The best known example in the Ultra Series. Pigmon is friendly towards humans and helps them out whenever it can.
  • Breakout Character: Among the non-giant monsters of the Ultra Series, only rivaled by Kanegon.
  • Butt-Monkey: Tends to get killed or seriously injured a lot.
  • Heroic Sacrifice: Two in this series, but would have many more in later appearances.
    • Distracts Red King in his first appearance, only to be killed.
    • Distracts Dorako, but is killed in his second appearance.
  • Meaningful Name: Combination of "Pygmy" and "Monster", since Pigmon is human-sized unlike most of the other creatures in the show.
  • Spell My Name with an "S": Also called Pygmon.

First Appearance: The Lawless Monster Zone
Vine-like carnivorous plants that attacked Fuji and Ide on Tatara Island. Arashi managed to burn the plants down though. They were later spotted on Johnson Island with Gomora, where they were dispatched (by Arashi again) just as easily.

First Appearance: Operation Lightning Stone Fire
A uranium-eating monster with a flower-like frill that encloses its head like a giant cone. He was awoken by a hurricane passing the region and began to terrorize the local mining villages in his quest for food, forcing Science Patrol to step in. Gabora is also the final Ultraman monster to be made from a modified Baragon suit.
  • Breath Weapon: Atomic breath like that of Godzilla.
  • Everything's Better with Dinosaurs: Giant uranium-eating ones that is!
  • Expy: Of Pagos from Ultra Q, another uranium-eating kaiju created from a modified Baragon suit and for whom Gabora's role was originally meant for.
  • I Love Nuclear Power: Due to living off a diet of uranium, he's radioactive to some degree and has a few powers too.
  • Metal Muncher: Eats uranium.
  • Tunnel King: Spends most of his time underground, coming to the surface after being disturbed by a hurricane.

First Appearance: The Mysterious Dinosaur Base
Created in top-secret by the Loch Ness Monster-obsessed Dr. Nikaidou, Jirass was hidden in a lake where it was fed fish every night. However, the monster was eventually discovered by Ide and some reporters, forcing the mad scientist to unleash his beast upon the world. The thing that makes Jirass stand out though is that he is simply Godzilla with a frill (Ultraman actually tears off the frill mid-battle though, creating the closest thing ever to an official Ultraman vs. Godzilla).
  • Alas, Poor Villain: Unlike most of the fights in the series the Jirass's death is seen as tragic. Ultraman even puts its frill back on it's body out of respect.
  • Breath Weapon: No, not atomic breath, but he can shoot an electric beam from his mouth.
  • Dub Name Change: Renamed Keyra in the English dub. But in the Latin American dub, he's called Godzilla!
  • Everything's Better with Dinosaurs: Especially if they're just Godzilla with a frill!
  • Not Zilla: His roar is a modified Godzilla, and they've got the same suit actor too! Interestingly, Eiji Tsuburaya never intended Jirass to look like Godzilla with a frill, but the show was having some budget issues in the early episodes, so he went to his good friends at Toho and borrowed the Godzilla body from Mothra vs. Godzilla and the head from Invasion of Astro-Monster, and made some modifications.
  • Pet Monstrosity: To Dr. Nikaidou. The man even speaks to Jirass like a son and is seen crying after the monster's death.
  • Spell My Name with an "S": Also called Jiras and Jirahs.
  • Stock Ness Monster: Dr. Nikaidou was incredibly obsessed the Loch Ness Monster to the point where he decided to make his own living lake "dinosaur".
  • Worthy Opponent: Ultraman seemed to consider him this, considering that he put the torn-off frill back on Jirass' corpse and gave a moment of silence before leaving. Perhaps a Godzilla nod?

First Appearance: The Ruffian from Space
A living rock from space that takes on the form of whatever one wishes for. Luck had to be that an unscrupulous man got his hands on it and wished for a monster to make mischief on his neighbors, resulting in a colorful and bizarre-looking creature.
  • Fighting Clown: He was definitely one of Ultraman's more comical opponents considering the fight was largely slapstick more than an actual battle.
  • Literal Genie: The man who wished it into existence started with a human-sized creature. He decided to wish it was bigger. It got too big.
  • Our Monsters Are Weird: It's not every day in the Ultra Series that the Monster of the Week is a sentient wish-granting rock that gets transformed into a scaly humanoid with colourful chest patterns and rotating ears.
  • Make My Monster Grow: Gyango's wisher than wished for the monster to become big. He should have specified.
  • Non-Malicious Monster: Fundamentally, Gyango is only dangerous depending on what the wisher wishes for. But even when he turns into a monster, he still in't so much dangerous as he is just very mischievous.
  • Rock Monster: Weird example. Gyango is actually a living rock that changes form based on one's wishes.
  • Shapeshifter: Changes appearances based on whatever the wisher wishes for, remaining in that form for as long as they can hold that thought.
  • Spell My Name with an "S": Gyango or Gango?

Ancient Mummy
First Appearance: The Cry of the Mummy
A bizarre mummy found in a cave by Dr. Iwamoto and brought to his lab for study. It turned out the being was merely just in hibernation, and when it awoke, it went on a murderous rampage in its quest to return to its original resting place before being truly killed by Science Patrol.
  • Ambiguously Human: His species is never specified in the episode, but human mummies definitely don't have fur, pointed ears, and monkey-like features.
  • Eye Beams: His main power.
  • Mind over Matter: Used telekinesis to activate the necessary switches needed to jolt his body into mobility after awakening in Dr. Iwamoto's laboratory.
  • Mummy: What did you think?
  • Not Quite Dead: Thousand year old corpses don't have the power to turn on switches with just their mind...
  • Tragic Monster: Science Patrol notes that the Mummy really just wanted to return to his tomb after being rudely taken away from it.

First Appearance: The Cry of the Mummy
The guardian of the Ancient Mummy. Dodongo was awoken from the same tomb as the mummy upon his master's death, and the monster made his way towards the Mummy's place of death to avenge the ancient being.

First Appearance: Oil S.O.S.
A bizarre two-bodied starfish-bat monster that feeds solely on oil. Pestar caused trouble all across the oceans by attacking oil tankers until it eventually arrived in Tokyo Bay, where it ended up creating a massive inferno when it rampaged through an oil refinery.
  • Action Bomb: Due to the oil in its two stomachs, Science Patrol can't risk shooting the monster without the possibility of causing a giant fiery explosion that could destroy everything in Tokyo Bay.
  • Bioluminescence Is Cool: When underwater, Pestar creates a huge flash of light every few seconds as it moves, allowing Science Patrol to track it from the sky.
  • Breath Weapon: A stream of fire.
  • Butt-Monkey: Pestar never battles Ultraman because it DIES from the fires it creates by rampaging around a huge oil refinery.
  • Mix-and-Match Critters: Two massive starfish with a bat-like head attaching their connecting arms.
  • Our Monsters Are Weird: Two-bodied, fire-breathing bat-starfish that eats oil. Not your typical kaiju.
  • Punny Name: A combination of "petrol" and "starfish".
  • Sea Monster: His natural home is the ocean, though he's perfectly capable of walking on land.

First Appearance: Pearl Oyster Defense
A gluttonous sea beast that feeds exclusively on the pearls of oysters. Gamakujira cost the Japanese pearl oyster industry millions with its vast appetite, raising the prices of pearls to even higher levels than ever and wiping out countless oyster farms across Japan's coastlines.
  • Big Eater: His appetite almost drives pearl oysters to extinction off the Japanese coast!
  • Bilingual Bonus: His name is Japanese for "Toad-Whale".
  • Fat Bastard: The suit is quite loose, giving him a flabby appearance.
  • Making a Splash: Gamakujira can spray high-pressure jets of water from his blowhole, which were strong enough to damage the Jet V-TOL into making an emergency landing.
  • Mix-and-Match Critters: As his Bilingual Bonus name suggests, his appearance is something akin to a toad with a whale's head complete with water spout and warty skin.
  • Overly Long Tongue: Which acts like a vacuum tube, sucking up his delicious pearls.
  • Sea Monster: Of course.
  • Undignified Death: It gets a rocket launched into its tail and sent flying into the air and then crashes into Ultraman and explodes.

Above: First form
Below: Second form
First Appearance: The Terrifying Cosmic Rays
A child's drawing brought to life by a bizarre form of cosmic radiation that later got redrawn to be more ferocious. Gavadon's sole interest however was sleeping, but the presence of a giant monster in Tokyo was bad enough that Science Patrol still needed to kill the otherwise peaceful creature.
  • Art Evolution: In-Universe example. When the children first draw Gavadon, he looks like a giant cartoonish larva. Impressed with what they saw when he gets brought to life, the kids give him a more fearsome appearance with legs and a more well-defined head. However, he's every bit as harmless as before.
  • Art Initiates Life: His backstory is that he was created through such manners.
  • Gentle Giant: The first genuinely non-violent kaiju in the series. All he wants to do is sleep!
  • Living Drawing: It's a child's drawing brought to life by a bizarre form of cosmic radiation.
  • Sleepyhead: Never mind why a living drawing would be solely interested in sleeping, but his presence was still enough to unnerve the citizens of Tokyo.
  • Spell My Name with an "S": Gavadon or Gabadon?
  • Stars Are Souls: Ultraman transforms Gavadon into a constellation instead of killing him when the children who created him plead for Ultraman to spare their monster.

First Appearance: Passport to Infinity
An incredibly surreal monster able to distort time, space, and the borders between the Fourth Dimension and this world. Bullton was formed from the merging of two incredibly powerful, semi-sentient, reality-warping meteors discovered by the brilliant Sir Yesterday and Dr. Fukui.

Bullton's sheer oddness has made it a surprisingly popular creature, scoring it a few reappearances in later entries of the Ultra Series, most notably the Ultraman Fighting Evolution Rebirth video game series and Ultra Galaxy Mega Monster Battle.

  • Breakout Villain: Bullton doesn't reappear as much compared to many other examples on this list, but its sheer bizarreness has made it extremely enduring with fans.
  • Dirty Coward: Enjoys sadistically messing with people but the second Ultraman gets one good hit off of him he attempts to beamline it out. Ultraman isn't having any of it and strikes him down.
  • Eldritch Abomination: A giant living stone capable of creating an Eldritch Location with its mere presence.
  • Eldritch Location: Anywhere Bullton is placed will result in one, as it starts to merge with the Fourth Dimension.
  • Fusion Dance: Bullton is actually the result of two small meteorites with self-awareness and reality-warping powers merging together.
  • Glass Cannon: An extremely powerful Reality Warper but all it takes is one hit from Ultraman before it sent running.
  • Meaningful Name: Bullton's Japanese name Buruton is also the Japanese name for Andre Breton, the founder of Surrealism, which inspired the monster's design.
  • Our Monsters Are Weird: A typical Kaiju of the Week is not a reality-warping rock, now is it?
  • Reality Warper: Its powers, which come from the antennae that emerge from its tubes.
  • Rock Monster: Bullton's design is about as far as you can get away with calling something a kaiju.
  • Surrealism: Bullton's design motif is this art form.
  • Time Master / Space Master: Its reality warping powers grant it the ability to mess with time and space with deranged results.
  • Troll: Gives off this vibe all throughout the episode as it continues to mess with people. It goes into straight-up sadism when it grows giant size, plays with the Armed Forces attempting to stop him before killing them.

Alien Zarab
First Appearance: Brother from Another World
Voiced by: Takeshi Aono (also suit actor)
A mysterious shapeshifting alien who came to Earth, claiming to be a friend of humankind (not that Science Patrol completely believed him). However, his intentions were much more sinister, as he instead impersonated Ultraman to go on a rampage and turn humanity against their hero.

As the very first of many Evil Knockoffs in the Ultra Series, Alien Zarab has made many more appearances since his debut, impersonating other Ultra heroes in constant attempts to break the bonds between humanity and their heroes.

  • Bitch in Sheep's Clothing: He pretends to be friendly with the people of Earth, referring himself as an older brother to the human race. Of course, his true intentions are discovered soon enough.
  • Breakout Villain: Alien Zarab is probably the most popular of the numerous Evil Knockoffs battle by the Ultramen, which has earned him many, many reappearances.
  • Brown Note: Displayed the ability to manipulate frequencies to create extremely painful sounds to disable human foes.
  • Evil Knockoff: His whole combat gimmick.
  • Hand Blast: Can shoot rapid-fire energy bolts from the tips of his fingers.
  • Manipulative Bastard: He uses his shapeshifting powers to sow distrust and discord between people and Ultras.
  • Meaningful Name: His name is intended to be the Japanese pronunciation of "brother" pronounced backwards. In fact, older supplements refer him as "Therrob", a more literal translation of the name.
  • Mind Control: He does this to Ide by knocking him out with some sort of hypnosis.
  • Near-Villain Victory: If Hoshino didn't find Hayata, bring the Beta Capsule with him, and luckily figure out water cuts the chains, Zarab would have won.
  • Shapeshifter: The first alien in the franchise to be able to disguise himself as an Ultra, and while many Ultra aliens are capable of becoming humans, Zarab is one of the few that can transform himself into a specific individual or an Ultraman.
  • Wall Crawl: When Science Patrol first meets him, he's seen crawling up a wall with his back to it.
  • Wham Line: It's scary enough when he finds out Hayata been spying on him but then he reveals he knows he's Ultraman.
  • Why Don't You Just Shoot Him?: Despite knowing Hayata's Ultraman, he just keeps him tied up rather than killing him. This mistake cost him his life.

First Appearance: Evil Repeated
The first of two monsters defeated and sealed away by a prehistoric civilization as liquid inside of canisters but freed in the present by accident. The red Banila is characterized as the mortal enemy of Aboras and having the ability to breath fire.

First Appearance: Evil Repeated
The second of two monsters defeated and sealed away by a prehistoric civilization as liquid inside of canisters but freed in the present by accident. The blue Aboras is characterized as the mortal enemy of Banila and having the ability to breath acid.
  • Acid Attack: His breath weapon. His Boss Subtitles are even "Blue Acid Monster".
  • Arch-Enemy: To Banila. The two despise each other and will battle each other to the death on sight.
  • Breath Weapon: A spray of acid.
  • Everything's Better with Dinosaurs: He was around during the time of the dinosaurs, and looks the part too.
  • The Juggernaut: Able to withstand two consecutive Specium Rays fired on him by Ultraman without so much as flinching. Although he was eventually killed by the third one, you still gotta give him props for that.
  • Our Demons Are Different: Described as a demon along with Banila.
  • Red Oni, Blue Oni: Although physically blue, he seems to be the Red Oni based on his more fearsome head and roar (Varan's guttural bellow).
  • Sealed Evil in a Can: He and Banila were sealed away thousands of years ago, but curious scientists decided to try find out what was inside the canisters...

First Appearance: The Terror on Route 87
An avian dragon originally imagined by a boy named Akira who was killed in a hit-and-run by a reckless driver. Many years afterwards, Akira's ghost brings Hydra to life and sends his monster creation out to destroy every last vehicle in Japan as vengeance for his unjust death.
  • Breath Weapon: A stream of flames.
  • Giant Flyer: An enormous bird-dragon, of course.
  • Mythology Gag: His design was based on the oldest concept for Ultraman, a bird-like humanoid named Bemlar.
  • Non-Indicative Name: No, he's not anything like the Hydra of Greek Myth.
  • Non-Malicious Monster: While he did cause a lot of havoc on the highway, he was simply interested in avenging the death of Akira more than anything else, eventually calming down and leaving forever once his rage is satiated.
  • Not-So-Imaginary Friend: Akira imagined him up alive, and in death, he brought his imaginary friend to life.
  • Our Dragons Are Different: A bird-like beast created as a boy's imaginary friend and brought to life by the boy's ghost to avenge his own death.
  • Roaring Rampage of Revenge: Upon emerging, Hydra immediately heads for the highway and destroys as many vehicles as it can to avenge Akira's death at the hands of a reckless driver.
  • Tragic Monster: Being the embodiment of the anger of the ghost of a child against his own death, gives Hydra a certain element of this.

First Appearance: Break Through the Smoke
A strange reptilian monster that belches vast amounts of poison gas. Kemular suddenly appeared from the extinct volcano Mt. Ohmiyama, marching its way through the Japanese countryside unhindered by anything the JSDF, Science Patrol, and even Ultraman threw at it.

Underground Woman
First Appearance: Surface Destruction Maneuver
Played by: Annette Sonfers
One of a species of humans that lived underground, longing to conquer their surface brethren. To achieve her people's goals, she disguised herself as a French Science Patrol agent named Annette, kidnapped Hayata to try and enslave Ultraman as a minion under her command, and sent Telesdon against the surface world.

The Underground Woman would inspire many other races of subterranean humans in later Ultra Series, but she has only reappeared in Ultraman X.

  • Beneath the Earth: Her homeplace.
  • Death by Irony: She along with her people want to take over the surface world and be in the light. The light from Ultraman’s transformation is what ultimately kills them.
  • Eyeless Face: Like all subterraneans, she has no eyes, giving her an uncanny appearance.
  • Human Subspecies: Her kind are descended from humans trapped underground in the Ice Age.
  • Impersonating an Officer: She disguised herself as a Science Patrol agent named Annette, telling Science Patrol she was taking Hayata to the organization's headquarters in Paris.
  • Legacy Character: Several other species of subterranean humans have appeared since her kind's debut. Some were much friendlier to their surface kin than others.
  • Sinister Shades: Wears these on the surface to protect her from the light and hide her lack of eyes.
  • Weakened by the Light: The light does this to her in the original Ultraman to the point where the intensity of Ultraman's killed her.

First Appearance: Surface Destruction Maneuver
A dinosaur-like monster controlled by the Underground Woman, Telesdon was sent to the surface in the dead of night to demolish Tokyo while she and her goons attempted to enslave Ultraman. The subterranean terror was later made into one of the first soldiers of Geronimon's monster army in the Monster Chief's quest to destroy Ultraman and Science Patrol, but he was easily dispatched by Science Patrol.

Telesdon has made numerous reappearances in the Ultra Series and against many other Ultra heroes, although not always under control of the Undergound People.

  • Back from the Dead: Is revived by Geronimon in "The Small Hero".
  • Break Out Villain: Starting with Ultra Galaxy Mega Monster Battle, he tends to make appearances against other kaiju or Ultramen as he has a decent number of fans.
  • Breath Weapon: A stream of flames.
  • Everything's Better with Dinosaurs: Resembles one, although his thin, segmented body is actually based on earthworms.
  • Pet Monstrosity: Of the Underground People.
  • Prehistoric Monster: Like the Underground People, Telesdon was trapped underground millions of years ago and evolved in the darkness, hating the surface dwellers.
  • Punny Name: Telesdon's Japanese name Teresdon is a play on the French word for "earth" ("terre") combined with "down". Why? Because Telesdon comes from underground, or "terre-down"
  • Tunnel King: Being a subterranean monster, this was a given.
  • Villain Decay: In his original appearance, Telesdon was completely unstoppable, with Science Patrol's plane assault doing nothing against the kaiju. But when Geronimon revives him, he's killed in only a few shots by Muramatsu, Arashi, and Fuji.
  • Villain Teamup: With Dorako when Geronimon revives them.

First Appearance: My Home is Earth
The most famously tragic monster in the Ultra Series, Jamila was an astronaut sent by a mysterious third party during the USA-USSR Space Race. The astronaut crashlanded on an alien world and was left for dead, but instead, his body adapted to the waterless environment, and eventually, he rebuilt his ship and headed home with vengeance against humankind on his mind.
  • Alas, Poor Villain: The Science Patrol is very reluctant to kill the mutant man and even sets up a plaque in memory of his death.
  • Beard of Sorrow: Has an auburn beard, which is more prominent in close-up shots of his face.
  • Body Horror: Designed with the idea of warping the human body's silhouette, with cracked, dry skin and his head fused with his shoulders.
  • Breath Weapon: A stream of fire.
  • Invisibility: Not Jamila himself, but he does have a spaceship that moves so fast it's invisible.
  • Kill It with Water: His famous weakness.
  • My God, What Have I Done?: When Ide yelled at him for attacking an innocent village, accusing him of losing his humanity, his response was to stand still, his mouth wordlessly opening and closing as he took in the senseless destruction he had caused.
  • Roaring Rampage of Revenge: Upon returning to Earth, Jamila began to kill any politicians he could, believing them to be the reason why he was abandoned on an alien world to die.
  • Tragic Monster: The whole gimmick to him. This guy wasn't truly evil, just a victim of human wrongdoing. Even Science Patrol is fully aware of this.
  • Was Once a Man: A big part of his tragedy was that he was a human who turned into a monster as a result of being stranded on an alien planet.
  • Weaksauce Weakness: Water. Explained that this was due to evolving in the waterless environment of the planet he was stranded in.
  • What Measure Is a Non-Human?: Part of what made Jamila's episode so tragic was that the writers handled his human origins so well, with Science Patrol taking deep reluctance to the fact that their superiors want them to just treat him as they would any other monster when he was once a human being like them.

First Appearance: The Underwater Science Base
A narwhal-like beast equipped a drill-like horn capable of smashing through the toughest of steel. Gubila made itself known via an unprovoked attack on Science Patrol's newly established underwater base, trapping Muramatsu, Hoshino, and two visitors that Science Patrol had to rescue before it was too late.

Gubila has made many reappearances in the Ultra Series, starting with Ultraman Saga. In comparison with his original appearance though, he is instead portrayed as a sympathetic monster that prefers to keep away from humans and Ultras.

  • Acrofatic: For his rotund design, he's shown to be capable of extraordinary leaps.
  • Breakout Villain: In the 2010s, Gubila gained this status due to his popularity with fans, becoming one of the more frequently recurring kaiju in the franchise.
  • In a Single Bound: Gubila can leap quite far for his body shape.
  • Making a Splash: Sprays Ultraman's face with water at one point in the battle.
  • Sea Monster: A giant narwhal/triggerfish-like one to be exact.
  • Spell My Name with an "S": Gubila or Gubira?
  • This Is a Drill: His nose is a powerful drill both for combat and tunneling through earth.
  • Tunnel King: Thanks to his drill-tipped snout, he can dig through the earth in mere minutes.

First Appearance: The Dreaded Comet Tsuiphon
A yeti-like creature that was one of three monsters to appear in the Japanese Alps when the passing Tsuiphon Comet's unique energy waves threatened to detonate nuclear arsenals across the globe. Gigass battled both Dorako and Red King, but was ultimately dispatched by Science Patrol.

First Appearance: The Dreaded Comet Tsuiphon
A monster hitching a ride on the Tsuiphon Comet as it passed over Earth. Upon landing on Earth, Dorako was lured by the Science Patrol into battling Gigass until Red King showed up to crash the party by killing Dorako. The monster later reappeared when Geronimon made him and Telesdon part of his monster army, but he was destroyed by Science Patrol. Dorako has since gone on to make a few reappearances in other Ultra Series.

First Appearance: The Monster Prince Pt. 1
A living dinosaur inhabiting Johnson Island that was discovered by an expedition team. The team, with Science Patrol's assistance, wanted to capture the beast for science and display him at the Osaka World Fair. Unfortunately, Gomora escaped during transportation near Osaka, where he would cause a great amount of chaos, and even defeat Ultraman!

One of the most popular monsters in the Ultra Series, Gomora was both the Monster of the Week in the franchise's first Multi-Part Episode and the first monster to defeat an Ultra! He has made numerous reappearances for this reputation, but notably, he has received Adaptational Heroism, beginning with his starring role in Ultra Galaxy Mega Monster Battle, where he was given some powers and would get to fight alongside Ultraman in Mega Monster Battle: Ultra Galaxy Legends, making Gomora into a recurring ally of the Ultras in a few series.

  • Attack the Tail: Ultraman's battle against Gomora was turned around after Gomora's tail gets blown off into a stump. Without the tail, the battle goes into Ultraman's favour.
  • Badass Normal: He was the first monster to defeat Ultraman AND was the ONLY monster with a 2-part episode, despite having nothing to show off but his brute strength and burrowing.
  • Bond Villain Stupidity: In their first fight, he defeats Ultraman quite easily and has him at his mercy. But instead of finishing him off, he just burrows and runs away. This gives Ultraman a chance to recover and have a rematch. Justified in the sense that Gomora is just an animal and not really evil so it makes sense he wouldn’t really care about finishing the job.
  • Breakout Character: More than any other monster in the franchise. This guy has his own TV show, one movie that has him star for half of it as the hero, and two specials that prequel the preceding movies.
  • Determinator: So much so that he continues going on a rampage after having his tail and one of his head crests destroyed.
  • Dub Name Change: In the English dub, he is called "Gohora".
  • Everything's Better with Dinosaurs: A Gomorasaurus to be exact!
  • Horn Attack: His favorite move asides from his Tail Slap. Was upgraded into being capable of firing an immensely powerful beam of energy in later series.
  • The Juggernaut: Definitely. Being able to defeat Ultraman with relative ease, having his tail severed off by the Science Patrol, getting the crap beat out of him by the JSDF and Ultraman, and getting his horns torn off before he finally goes down.
  • Meaningful Name: Named after the Biblical city of Gomorrah.
  • Monumental Damage: Demolishes Osaka Castle.
  • Non-Malicious Monster: Starts out as this. It's not until once the Science Patrol decide to drug him and show him off that he turns into an unstoppable monster.
  • Prehistoric Monster: Is a dinosaur that somehow survived to the present on a remote island before being brought back to civilization for display.
  • Signature Roar: The distinctive "CCHHAA-AAARRR" formed from Gaira mixed with an elephant.
  • Tail Slap: Gomora likes to use his tail in combat A LOT. His tail is how he managed to subdue Ultraman in their first battle.
  • Tragic Villain: Gomora was not an evil monster. All it wanted to do was live in peace but it was taken from its home and being in an unfamiliar environment it went berserk before being put down.
  • Tunnel King: His primary weapon before he received his Super Oscillatory Ray in Ultra Galaxy Mega Monster Battle was burrowing.
  • Unstoppable Rage: He's pretty passive most of the time, but when pissed off, he can deliver one hell of a smackdown.
  • The Worf Effect: Defeating Ultraman in their first battle — something no other monster had succeeded before in.

First Appearance: Human Specimens 5 and 6
Voiced by: Taimei Suzuki
A sinister and surreal race of aliens that see humans in the way humans see lab rats. One agent was sent to Earth to capture six of the finest humans he could find with a shrinking gun. He chose Muramatsu as specimen number 6 when the captain came to investigate a series of strange phenomena being caused by the invader's hunt.

Dada is one of the most famous aliens in the Ultra Series, known for his bizarre appearance (inspired by the anti-art movement of the same name). Thus, he has made numerous reappearances, continuing to use his trusty shrink ray to abduct humans and frustrate our heroes.

  • Affably Evil: Despite his unsettling appearance, he's very polite when spoken face to face.
  • Alien Abduction: Their main gimmick whenever they appear is that they kidnap humans for various reasons.
  • Breakout Villain: He's one of the more frequently recurring monsters in the franchise, due to his iconic nature.
  • Curb-Stomp Battle: Nothing in his arsenal, including invisibility and shrinking Ultraman down to human size, gives Ultraman any degree of difficulty. Ultraman flattens him with almost comical ease.
  • Demonic Possession: He takes over the body of a scientist in order to lull the final two specimens (Muramatsu and a lady he was accompanying) into a false sense of security.
  • Enemy Mime: His skin colour is meant to resemble a mime's clothing, upping his creepy factor.
  • Facial Horror: Ultraman burns one of his faces with a Spacium Beam. The results aren't pretty.
  • For Science!: His reason for invading Earth? To find test subjects!
  • Intangibility: Dada can turn himself intangible to phase through walls.
  • Invisibility: Does this to flee Ultraman when the fight goes south.
  • Meaningful Name: After the Dada movement, which inspired part of his strange design. Fittingly enough, Dada was seen at Dadaism's 100th anniversary ceremony in Tokyo.
  • Nightmare Face: Three of them, in fact. Tohl Narita partly modelled them after certain African tribal masks.
  • Odd Name Out: Dada is the only alien invader in the series without the "seijin" suffix, hence why he's not called Alien Dada. There would be a few other aliens that did the same afterwards, but Dada is the most notable.
  • Our Monsters Are Weird: Befitting of an alien named after the equally surreal "art" form.
  • Pokémon Speak: DA-DA in a very deep voice.
  • Shrink Ray: His preferred weapon, which he mainly uses to collect human specimens.
  • Squishy Wizard: Has a lot of tricky powers, but weighs a measly 5000 tonsnote  and spends most of his fight being pummelled to the ground by Ultraman.
  • Teleport Spam: His main combat power.
  • Three-Faced: Has three faces, but never all at once. He switches between them randomly.
  • What Happened to the Mouse?: The episode ends without really explaining what happened to the four scientists who were shrunken down and put into bottles. Whether they were dead, were rescued or stuck as small people isn’t really shown to us.
  • You Are Number 6: Dada do not have names. They're referred by a kind of registration code. For example, the Dada that Ultraman fights is called Agent #271.

First Appearance: Challenge to the Underground
Two subterranean monsters of the same species (and of unclear relation) that lived in the Japanese mountains eating gold (so much gold in fact that their bodies are partially made of it!) and terrorizing the local mining villages with their destructive natures and appetites.
  • Butt-Monkey: The first Goldon is notable as one of the few monsters to be defeated by the Science Patrol.
  • Everything's Better with Dinosaurs: Resemble stereotypical sauropods, though Tohl Narita based their appearance on caterpillars.
  • Foreshadowing: As the Science Patrol is digging into the mountain the audience can see a shot with them passing a suspicious-looking rock. When they try the travel back up that tunnel they knock the rock revealing it to actually be the second Goldon.
  • Hoist by His Own Petard: Ultraman uses the second Goldon’s own Prehensile Tail to wrap around its head during the battle.
  • Meaningful Name: Goldon eats gold. It's really not that difficult to explain.
  • Metal Muncher: As their name suggest, they eat gold!
  • Prehensile Tail: The second Goldon was able to wrap his tail around Ultraman's neck when he jumped onto the monster's back.
  • There Is Another: After Science Patrol disposes of the first Goldon, they are very unpleasantly surprised when they find out there's a second Goldon on the loose in the same area.
  • Tunnel King: Powerful burrowers.
  • You Are Who You Eat: They have eaten so much gold they are practically made of it.

First Appearance: The Phantom Snow Mountain
The legendary beast of Phantom Snow Mountain and the ghost of the mother of a girl named Yuki, protecting her daughter from harm. Unfortunately, Yuki was greatly feared by the mountain village for this, and when Woo started to attack bullying villagers and frighten a ski resort, Science Patrol was called in. Woo also made a major reappearance in Ultraman Ace.
  • Bigfoot, Sasquatch and Yeti: Resembles a very hairy yeti.
  • Humans Are the Real Monsters: The real villain of the episode was the mistrusting and hateful villagers. If they just accepted Yuki instead of trying to kill her, Woo would just lived peacefully in the mountains.
  • Guardian Entity: Acts as protector against anything that threatens her child.
  • Non-Malicious Monster: Will not harm people unless they threaten her child as it merely wants to protect Yuki, and will even fight evil monsters like Iceron in Ultraman Ace.
  • Mama Bear: You don't wanna miss with any kid protected by Woo unless you wanna get squashed flat.
  • Mythology Gag: Named after an Ultraman prototype, which would later be recycled for the 2006 television series Bio Planet Woo.
  • Our Ghosts Are Different: The spirit of a parent who seeks to protect their child even in death.
  • Tragic Monster: As the ghost of dead parent, this was inevitable, especially given that Yuki was ostracized by her community for being protected by Woo.
  • Youkai: Was inspired by the Yuki-onna in some aspects. In fact, Yuki was thought to be the daughter of one.

First Appearance: Who Goes There?
A malevolent race of plant-men from the Amazon Jungle descended from an ambulatory, blood-sucking species of carnivorous plant. They sought to enslave humanity, with their leader initiating the scheme by impersonating a South American Science Patrol officer named Gotoh to plant his kind's seeds across Tokyo and sabotage Science Patrol.
  • Advanced Ancient Acropolis: Despite being in Earth-based society, they’re so advanced that they have spaceships.
  • The Amazon: Where the Keronia come from.
  • Dead Person Impersonation: The leader disguises himself as a Science Patrol member who was exploring the Amazon in search of the Keronia. We can all guess whether the expedition was successful or not.
  • Eye Beams: They're also capable of paralysis.
  • The Juggernaut: Like many of the really tough monsters in this series, Keronia is immune to the Specium Ray.
  • Man-Eating Plant: One of a sentient humanoid race of them!
  • Mind over Matter: Was shown to be able to extinguish fires with a snap of his fingers.
  • Our Vampires Are Different: The leader of a race of blood-sucking plant people from the Amazon.
  • Plant Person: Meant to resemble a humanoid mass of rotting leaves.
  • To Serve Man: The Keronia's goal was to enslave the human race as a food source as his species feeds on human blood.
  • Ultraterrestrials: Although Keronia come from the Amazon Jungle, they're shown to be incredibly advanced, so it's something of a miracle that they were able to hide for centuries there.

First Appearance: The Endless Counterattack
A monster with the ability to intensify heat in its surroundings. Zambolar had been disturbed by land development and went on a rampage in his fury, planning on finding his way to the nearest urban center.
  • Everything's Better with Dinosaurs: A spiky lizard-like quadrupedal one for that matter. However, designer Tohl Narita said his appearance was inspired by a lion.
  • Gaia's Vengeance: It's heavily implied that Zambolar was rampaging as a sort of counterattack from nature against humans encroaching on the environment with their buildings.
  • Playing with Fire: He can cause targeted areas to combust into flames by flashing the spikes on his body and also caused wildfires and water to boil with his mere presence.
  • Tail Slap: Possessed a tail strong enough to give Ultraman a bit of a challenge.

Alien Mefilas
First Appearance: The Forbidden Words
Voiced by: Seizo Kato
An alien invader who abhorred violence, preferring to use cunning, manipulation, and minions to do his conquering. He kidnapped Hayata, Fuji, and her little brother Satoru, using his evil powers to transform Fuji into a rampaging giant, revive Baltan, Zarab, and Kemur, paralyze Hayata, and give Satoru the authority of handing control of Earth over to him.

Notorious for being one of Ultraman's few enemies to prioritize sheer cunning over physical strength, Mefilas is one of the most popular aliens in the Ultra Series. As a result he has made many appearances against a variety of other Ultra heroes, continuing to test their abilities and their will with his devilish intellect and manipulation skills.

  • Affably Evil: Very calm and polite to his enemies and allies alike. However, he's quite capable of being incredibly heinous if he wishes.
  • Breakout Villain: As one of the most popular and frequently reappearing aliens in the Ultra Series.
  • The Chessmaster: His manipulation of Science Patrol was based around this, goading them and threatening them in various ways to prevent them from interfering with his plans.
  • Deal with the Devil: His whole scheme was that he was trying to make one with a mortal foolish enough to trade Earth for another world.
  • Evil Cannot Comprehend Good: He thought it would be pretty easy to convince a kid to hand over Earth. All he had to do was show off his strength and promise some great rewards in exchange for handing the planet over to him. When the kid keeps saying no he gets more and more frustrated. Hayata even laughed in his face for not understanding why a human would never give him Earth.
  • Evil Counterpart: Is meant to be one to Ultraman, complete with his own distinctive shout.
  • Hand Blast: His primary combat ability is a huge variety of energy beams he fires from his hands similar to those used by Ultraman.
  • Kick the Dog: As affable as he is, he's definitely capable of this, as he kidnaps Hayata (and paralyzes him), Fuji (whom he turns into a giant monster), and Satoru (whom he tries to entice into handing Earth to him).
  • Improbably High I.Q.: Apparently it's over 10 thousand!
  • Manipulative Bastard: He sought to manipulate a willing human into giving him the right to rule Earth, making all sorts of promises and threats.
  • Martial Pacifist: Despite being against violence, Mefilas proved to be no slouch when forced to fight Ultraman. Even when not in combat, his arsenal of abilities still made him pretty dang formidable.
  • Meaningful Name: It's based on the demon Mephistopheles, befitting of his devilish personality.
  • No Mouth: He talks via a flashing blue organ.
  • Spell My Name with an "S": Mefilas or Mephilas?
  • Villain: Exit, Stage Left: When he realizes his plan had failed the moment he was unable to convince a child to give him Earth, he decides to leave.
  • Villainous Breakdown: Gets more and more frustrated as Satoru continuously refuses to hand Earth over to him.
  • We Will Meet Again: His final words to Ultraman.
  • Worthy Opponent: Considers Ultraman to be such.

First Appearance: Gift from the Sky
An impossibly heavy monster that suddenly fell from the sky one day. Science Patrol had to figure out how to lift him back into the sky and send him away for good as not even Ultraman was strong enough to move the stubborn and ill-tempered creature anywhere.

First Appearance: The Monster Graveyard
An undead monster fought by Ultraman prior to the series, Seabozu is one of many defeated kaiju resting in the Monster Graveyard — a pocket of space where all monsters and aliens killed by Ultramen go upon death; their semi-corporeal bodies floating around in suspended animation. However, a rocket passed through the region, picking Seabozu up by accident and Science Patrol had to figure out how to return the monster return to the grave.

The Monster Graveyard that is introduced with Seabozu's appearance would go on to become an important location in later entries of the Ultra Series, with reappearances and further expansion in Ultraman Mebius and the Ultraman Zero movies.

  • Dem Bones: A skeletal kaiju.
  • Everything's Better with Dinosaurs: He's not actually one, but strongly resembles the part.
  • Gentle Giant: Solely interested in returning back to the Monster Graveyard.
  • Meaningful Name: Seabozu's name is derived from the Japanese sea monster Umibozu, as "umi" means "sea" in Japanese, and like Seabozu, the Umibozu is an undead creature. Early desiogns for the monster were actually based on this Youkai.
  • Tragic Monster: Like the Ancient Mummy before him, he simply wanted to go back to his eternal rest undisturbed.
  • What Measure Is a Non-Human?: The episode he appears in explores the morality of the Science Patrol and Ultraman’s job, killing monsters whose only crime is existing because they are a danger to humanity. In fact, the guilt they feel over this is the reason they just don’t blow him up like most monsters.

First Appearance: Don't Shoot, Arashi!
A monster capable of emitting blinding flashes from his body. Zaragas also possessed the ability to adapt and strengthen every time he was attacked, which made the beast a great challenge for the trigger-happy Arashi, whose "shoot first, ask questions later" attitude risked making the monster stronger every time.

While not one of Ultraman's most popular or best-known enemies, Zaragas has made several reappearances in the Ultra Series, beginning with Mega Monster Battle: Ultra Galaxy Legends.

  • Achilles' Heel: Zaragas averts Transformation Is a Free Action whenever he pauses to metamorphose, meaning Ultraman can take the opportunity to attack Zaragas when he is in the middle of adapting.
  • Adaptive Ability: Aside from blinding flashes, he's got this one too, as every time he is hit by a powerful attack, he will get stronger.
  • Blinded by the Light: Zaragas's main ability. He can emit blinding flashes from the sockets all over his body.
  • Breakout Villain: Despite being one of the lesser known monsters of the series, Zaragas is frequently brought back in later series due to his formidable and versatile nature.
  • Everything's Better with Dinosaurs: A one-horned one that emits bright lights for that matter.
  • Improvised Weapon: Uses parts of buildings twice during its fight with Ultraman
  • Metamorphosis Monster: Due to his Adaptive Ability. When Science Patrol first encounters him, he's covered in armored plates, but upon his first adaptation, he sheds the armour in favour of even more sockets. His Boss Subtitles are even "Transformation Monster".

First Appearance: The Small Hero
The fearsome Monster Chief, Geronimon resurrected Dorako, Telesdon, and Pigmon as part of a plan to create an army of sixty monsters to destroy humankind. However, he was unaware that Pigmon was allied with the humans, and as a result, ended up having to confront Science Patrol before he was prepared, thanks to the little monster's heroism.

Despite having only one appearance in the shows, Geronimon has proven to be a popular Ultra monster, appearing in the video game Ultraman Fighting Evolution Rebirth as one of the main villains, reviving various monsters from the Monster Graveyard to defeat the Ultras.

  • Beard of Evil: A big white one on his chin.
  • Breath Weapon: He can fire a white mist that levitates his opponents.
  • Everything's Better with Dinosaurs: Resembles one strongly.
  • Evil Sorcerer: In some ways, he's the kaiju equivalent of one.
  • Feather Flechettes: Can fling these out from the tip of his tail, but they are limited in numbers.
  • Glass Cannon: Despite all of the abilities he has, not only did Ultraman subdue him with ease (AFTER he took out Geronimon's Feather Flechettes) but he's also one of the few monsters in the series to be killed NOT by Ultraman, but by the Science Patrol.
  • Greater-Scope Villain: Of all the earth-based monsters of the series. Apparently they all answer to him.
  • Hoist by His Own Petard: Ultraman defeated him by reflecting his levitation gas back at him, allowing Science Patrol to finish him off.
  • Meaningful Name: Geronimon is named after a prominent Apache chief, as the feathers on his head are meant to resemble those of a stereotypical Native American chief.
  • Mind over Matter: Displays limited telekinesis, which he mainly uses to guide his Feather Flechettes at Ultraman. In the video games however, he's shown to be capable of even levitating Ultraman.
  • Monster Lord: As chief of all Earth monsters, he's this — the guy with authority over the likes of Gomora, Red King, and Antlar.
  • Minor Major Character: Is the leader of all the monsters on Earth, yet he is never mentioned before or afterwards.
  • Necromancer: His main ability. He can revive monsters from the dead and have them do his bidding. It's also stated that he can revive up to 60 monsters to destroy mankind and Ultraman and would've done so had SSSP not stopped him before he could ressurect more than Telesdon, Dorako and Pigmon.
  • Playing with Fire: Able to shoot purple fireballs from his hands by clapping them together.

First Appearance: Spaceship Rescue Mission
An insectoid monster from the alien world of Kodon (or Planet Q), Kiyla was first spotted when one of his enormous glowing eyes was caught by a probe and blinded all the viewers. It also fried the circuitry of the probe and a space station controlling the probe, stranding the astronauts and forcing Science Patrol to head to Kodon to find parts to fix the station, where they inevitably encountered the belligerent creature.

Kiyla also made an obscure but noteworthy appearance in the Toho TV drama He of the Sun, where he battles Gaira of War of the Gargantuas, making it the first official Crossover between a Toho kaiju and an Ultra Series kaiju.

  • Big Creepy-Crawlies: Resembles an oversized mix of a firefly and a woodlouse.
  • Blinded by the Light: Kiyla can release powerful blinding flashes from his eyes. See Glowing Eyes of Doom below.
  • Faking the Dead: His eye flash attack starts after he closes his eyes when being attacked. They think he’s dead but then he opens them up and surprises them.
  • Four-Legged Insect: Like Antlar, the suit only has four limbs.
  • Glowing Eyes of Doom: Literally. These ones are capable of emitting lights powerful enough to even hurt Ultraman!
  • The Juggernaut: Didn't even flinch when hit by the Specium Ray. The Ultra Slash also simply bounced off his exoskeleton.
  • Punny Name: Kiyla's Japanese name "Kira" is the Japanese pronunciation of "Kill-Eye", which describes the monster's literal Glowing Eyes of Doom.

First Appearance: Spaceship Rescue Mission
An odd lizard-like beast from the same world as Kiyla. Saigo battled Kiyla and attacked Science Patrol while they were exploring the planet, but was defeated by both, with the latter finishing him off.
  • Breath Weapon: Saigo can breathe jets of sand at his foes.
  • Butt-Monkey: Solely exists to get his butt whooped by Kiyla and is later killed by Science Patrol.
  • Literally Shattered Lives: His death.
  • Meaningful Name: Saigo's name means "last" or "final" in Japanese, because he was originally supposed to be Ultraman's final enemy and because he was the last monster designed for the show.
  • Tunnel King: Spends a lot of his time burrowing underground.

Alien Zetton
First Appearance: Farewell, Ultraman!
A massive army of alien invaders that sent an agent to sabotage Science Patrol headquarters by impersonating Dr Iwamoto while the main force fought Science Patrol. However, their plans were foiled rather easily, but they still did have one last trick up their sleeves in the form of the most powerful monster so far.

Although Alien Zetton only appeared very briefly in their first appearance (they were not even referred by any name!), they've become a staple of the Ultra Series, playing significant roles from Ultraman Ginga to Ultraman Max. As their name suggests, they're almost always in control of Zetton.

  • Ascended Extra: Only appeared very briefly (and was already dead) in the original series, but has become one of the most frequently appearing alien races in the franchise.
  • Breakout Villain: As detailed in Ascended Extra above, they've proven to be among the Ultra Series' most iconic aliens despite having very little screentime in their debut.
  • Cyclops: More or less resembles Kemur but with one eye instead of two.
  • Sharp-Dressed Man: The original one was seen with a suit from his disguise.
  • Spell My Name with an "S": Sometimes spelled Alien Z-Ton.

First Appearance: Farewell, Ultraman!
The ultimate weapon of the Alien Zetton sent to attack Science Patrol headquarters and destroy Ultraman after their invasion was successfully foiled. Out of all the monsters Ultraman had faced, Zetton was the creature who would prove to be his most formidable foe, as well as the one that would finally bring about the hero's end.

The immensely popular and iconic Zetton was the very first monster to kill an Ultraman, giving him a reputation as one of the most powerful of the regular Monster of the Week opponents that the Ultras face. He has since appeared in numerous other Ultra Series, especially since Ultraman Max, with none of his power diminished.

  • The Artifact: His Non Indicative Boss Subtitles of "Space Dinosaur" are a leftover from when the much more reptilian Saigo was intended to be the final opponent of Ultraman.
  • Attack Reflector: His most powerful ability is to catch opponents' beams with his fists and use them right back at them. It was the technique that killed Ultraman.
  • Barrier Warrior: The Zetton Shutter, a powerful force field capable of blocking even Ultraman's Specium Ray.
  • Big Creepy-Crawlies: Resembles a humanoid beetle.
  • The Blank: Has a orange blotch on his head where a normal face is. Apparently it's his mouth.
  • Breakout Villain: After Zetton returned in Ultraman Max, he has appeared in nearly every Ultraman-related series or product since then.
  • The Dragon: To the Alien Zetton.
  • Dragon Their Feet: He only shows up after his masters' entire invasion force has been defeated.
  • Everything's Better with Dinosaurs: Even though he doesn't look anything like one, his Boss Subtitles are "Space Dinosaur".
  • Eyes Do Not Belong There: Those big orange spots on his chest? Those are his eyes.
  • Hero Killer: As the first monster to kill an Ultraman, duh.
  • The Juggernaut: Everything Ultraman threw at Zetton did virtually nothing to slow him down. Yet for some reason, Science Patrol manages to finish off the monster in the end.
  • Meaningful Name/Punny Name: Zetton's name is derived from the Japanese pronunciation of the letter "Z" with "n" at the end, as "Z" is the final letter of the English alphabet, "n" is the final letter of the Japanese alphabet, and Zetton is the final monster in the show.
  • Playing with Fire: Can shoot fireballs from his "face".
  • Pokémon Speak: Solely says "Zetton" followed by a series of whirring and beeping noises.
  • Spell My Name with an "S": Referred as Z-Ton in older sources, due to the aforementioned Punny Name.
  • Super Strength: Up there with the likes of Red King in physical power. At one point, he literally breaks open force bindings created by Ultraman.
  • Teleport Spam: Teleporting is one of his main techniques.
  • The Worf Effect: The first monster to kill Ultraman and emphasized as the most powerful monster up to that point.