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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. As most of us know, 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.
  • 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.
  • 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.

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 Science Patrol 
The very first defense team in the Ultra Series, 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: The subplot of "The Small Hero" sheds some light on his feelings towards Ultraman.
  • Buttmonkey: 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 Fix It: 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 dud. 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 ruthless alien reptile was the very first monster to battle Ultraman, having fled to Earth with the hero in hot pursuit, and 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 creature to have ever faced an Ultra hero, Bemular is one of the Ultras' most well-known and popular enemies and has reappeared in a number of later entries of the Ultra Series.

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, Alien Baltan is the most iconic and popular of all Ultra monsters, and his immense popularity 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, they are often as recognizable to many as the Ultras themselves.
  • Demonic Possession: One of their most popularly used abilities. In the original series, proper, 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: Ispired 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, 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 it to become invisible.

Neronga is famously created from a modified Baragon suit and has reappeared a few more times after its debut.

  • Acrofatic: He's surprisingly swift for his barrel-shaped body.
  • Energy Absorption: Consumes electricity to power his invisibility.
  • Everything's Better with Dinosaurs: Invisible, electricity-eating dinosaurs!
  • 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 antennae and feeds on electricity.
  • Visible Invisibility: Would appear in a ghostly form very briefly in some scenes.

Giant Ragon

First Appearance: Five Seconds Until the Big Explosion
One of a species of marine humanoids that was turned 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 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 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 back into 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 (though how it knew who to attack is never answered).
  • Nuclear Nasty: Was the result of the Miroganda Flower being exposed to gamma rays.
  • Poisonous Person: Can spray poisonous pollen at enemies.
  • Punny Name: It's a green monster named Greenmons...
  • 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 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.

First Appearance: The Blue Stone of Barraj
An insect-like monster from the Middle East that terrorized the lost city of Barraj (sometimes Vallarge), 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, depending on the series, was destroyed by him a long time ago (like in Ultraman Max) or simply terrorized by him long enough that everyone forgot about the city as they wouldn't dare go into Antlar's territory to visit Barraj (as in the case of the original series).
  • 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 in its original appearance.
  • 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 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.
  • 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 primeval 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.
  • Badass Normal: Despite possessing no abilities (until Ultra Galaxy Mega Monster Battle NEO), 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 (Best shown in Ultra Galaxy Mega Monster Battle where he hands Telesdon and Sadora's asses in).
  • 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.
    • Tore off Chandler's wing and killed Pigmon in their first episode
    • Killed Dorako and beat the crap out of Gigass even after teaming up with him.
  • Non-Indicative Name: He's not actually red (except in Ultraman: The Ultimate Hero). 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.
  • 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, Chandler is best known for being the first monster to battle Red King, and starting the grand tradition of having Red King brutally pummel other monsters after his gruesome defeat at the hands of Red King.
  • 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.
  • Buttmonkey: The sole reason Chandler appears is to act as Red King's punching bag.
  • Long-Lost Relative: Some supplementary sources claim that Chandler 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 Chandlar, Chandra, Chandora, and Chondra (in Ultraman: The Ultimate Hero).
  • Wings Do Nothing: Though, he can flap them to create powerful winds.

First Appearance: The Lawless Monster Zone
Another monster made from a modified Baragon suit, Magular was a burrowing monster on Tatara Island who did his best to keep out of Red King's way. He would later stumble across Hayata and Muramatsu and attack them, only to be swiftly killed by the humans. Magular has reappeared in some other Ultra Series since then.
  • Butt-Monkey: He was defeated by the Science Patrol with ease.
  • 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".
  • 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 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.

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. Gabora is also the final Ultraman monster to be made from a modified Baragon suit.
  • Breath Weapon: Atomic breath like that of Godzilla.
  • Eat Dirt, Cheap: Eats uranium.
  • 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.
  • 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 to Ultraman vs. Godzilla).
  • 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 the scientist who created him. The man even speaks to Jirass like a son and is seen crying after the monster's death.
  • Stock Ness Monster: The mad scientist who made Jirass was obsessed the Loch Ness Monster, so 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
Gyango is actually a semi-organic 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 this 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 scaly humanoid with colourful chest patterns and rotating ears formed from a magical stone.
  • Make My Monster Grow: Gyango's wisher than wished for the monster to become big. He should have specified.
  • Non-Malicious Monster: Gyango isn't so much dangerous as it is mischievous.
  • Rock Monster: Weird example. Gyango is a living rock that changes form based on one's wishes.
  • Shapeshifter: Changes appearances based on whatever the wishers wishes, 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 Not Quite Dead, and it awoke, going 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 power.
  • Mind over Matter: Used telekinesis to activate the necessary switches needed to jolt his body into mobility.
  • 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.
  • Breath Weapon: Depicted as being able to breathe black smoke in some art, but never does this is the show.
  • Eye Beams: Like master, like minion
  • Eye Scream: To keep him from using his eye beams, Science Patrol blows out both of his eyes. They then realize that an enraged kaiju who can't see is much more dangerous than one who can. Oops.
  • Our Dragons Are Different: Mixed with a winged horse.
  • Pet Monstrosity: The Mummy's guardian.
  • Wings Do Nothing: Although supplementary material often depicts him flying, he never does it in the show.

First Appearance: Oil S.O.S.
A starfish-like monster that feeds on oil. Pestar caused trouble all across the oceans by attacking oil tankers and eventually arriving in Tokyo Bay, where it ended up creating a massive inferno when it rampaged through an oil refinery.
  • 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. He does fight Ultraman Powered though.
  • 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, though 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 pearl oyster industry millions with its vast appetite, raising their prices to even higher levels than ever and almost wiping out the Japanese oyster farming.
  • 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.

Above: First form
Below: Second form
First Appearance: The Terrifying Cosmic Rays
Two versions of a single monster, Gavadon was a child's drawing brought to life by a bizarre form of cosmic radiation that then later got redrawn to be more ferocious. The monster's sole interest though was sleeping, but the presence of a giant monster in Tokyo was bad enough that Science Patrol still needed to try and 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, the kids give him a more fearsome appearance with legs and a more-defined head, though it's every bit as harmless when in the new form.
  • 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!
  • 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.

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

Bullton's oddness has made it a bit of an Ensemble Dark Horse, scoring it a few more recurrences in the Ultra Series, most notably Ultraman Fighting Evolution Rebirth 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.
  • 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.
  • 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.

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 mankind (not that Science Patrol completely believed him). However, his intentions were much more sinister, as he impersonated Ultraman to 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: In almost all his appearances, he's this to some degree, using his shapeshifting powers to sow distrust and discord between people.
  • Meaningful Name: His name is intended to be 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.
  • 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 to it.

First Appearance: Evil Repeated
The first of two monsters sealed away by a prehistoric civilization as liquid in 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 sealed away by a prehistoric civilization as liquid in 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.
  • Arch-Enemy: To Banila.
  • Breath Weapon: A spray of acid.
  • Everything's Better with Dinosaurs: Was around during the time of the dinosaurs, and looks the part too.
  • Hollywood Acid: He killed Banila with it, but Ultraman somehow managed to shrug it off (possibly his alien biology at work?).
  • The Juggernaut: Able to withstand 2 consecutive Specium Rays fired on him by Ultraman without so much as flinching (although he was eventually killed by the 3rd one,) you still gotta give him props for that.
  • 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 both 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.
  • Roaring Rampage of Revenge: Upon emerging, Hydra immediately heads for the highway and destroys as many vehicles as it can.
  • Tragic Monster: Being the embodiment of a ghost's anger against his death, gives Hydra a certain element of this.

First Appearance: Break Through the Smoke
A strange 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. She disguised herself as a French Science Patrol agent named Anne, kidnapped Hayata to try and enslave Ultraman for her people's goals, 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.
  • 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: The original one disguised herself as a Science Patrol agent named Annette, telling Science Patrol she was taking Hayata to SP 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 Hayata. The subterranean terror was later revived as among the first soldiers of Geronimon's monster army alongside Dorako, but 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.
  • 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, though his thin, segmented body is based on earthworms.
  • Evil Is Not Well-Lit: Is primarily defined as a nocturnal monster.
  • 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 Eart
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.
  • 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.
  • 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.
  • Was Once a Man: A big part of his tragedy.
  • 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.

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 also 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 its popularity with fans. While he continues to battle other Ultra heroes, he's usually portrayed more sympathetically instead, compared with his original appearance.
  • 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? 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.

First Appearance: The Dreaded Comet Tsuiphon
Gigass 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. It 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 (without his wings and hook-hands) when Geronimon resurrected him and Telesdon as 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.

  • Back from the Dead: By Geronimon. Notably, he also has some physical changes (referred as Re-Dorako). He gets small horns on his head, loses his wings, and gains normal hands in place of his usual hook-hands.
  • Blade Below the Shoulder: Beating Gigan by 6 years!
  • Breakout Villain: Not the extent of many other examples, but Dorako does have a decent number of fans despite largely serving as a punching bag for other monsters.
  • Buttmonkey: Mostly serves to get his ass handed in by other monsters like Red King. In fact, he has never fought an Ultraman with the exception of Ultraman: The Ultimate Hero and an implied offscreen one in Ultraman X. Also in nearly every battle he's in, he gets his wings torn off.
  • Giant Flyer: Thanks to the fan-like wings on his back.
  • Kick the Dog: In his revival, he kills Pigmon.
  • Our Dragons Are Different: With hook-like hands and insectoid wings.
  • Punny Name: Dorako is the Japanese pronunciation of "draco" ("dragon" in Greek).
  • Spell My Name with an "S": Due to his Punny Name, he's sometimes referred as Draco.
  • Villain Teamup: When revived alongside Telesdon by Geronimon.

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 (second only to Alien Baltan), Gomora was both the Monster of the Week in the Ultra Series' first multi-part episode and the first monster to defeat an Ultraman! 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 other series.

  • Badass Normal: In the original series, 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 his first appearance, 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.
  • 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.
  • Tunnel King: His primary weapon before he received his Oscillatory Ray in Ultra Galaxy 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 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 and creepy 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: In the 2010s, due to his iconic nature.
  • 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.
  • 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.
  • 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.
  • Teleport Spam: His main combat power.
  • Three-Faced: Has three faces, but never all at once. He switches between them randomly.
  • You Are Number 6: Dada do not have names. They're referred by a kind of registration code. For example, the original Dada was Agent #271.

First Appearance: Challenge to the Underground
Not one monster, but two individuals of the same species(and of unclear relation) that lived in the Japanese mountains eating gold (so much, that their bodies are partially made of it!) and terrorizing mining villages.

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.

First Appearance: Who Goes There?
The leader of 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 the 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.
  • 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: His 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: Implied. This was played up in Ultraman: The Ultimate Hero.
  • Playing with Fire: In his original appearance, he could cause certain areas to combust. In The Ultimate Hero, he simply caused a natural increase in area temperature due to his intensely hot body.
  • 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. He transformed Fuji into a rampaging giant, revived Baltan, Zarab, and Kemur as warnings to Earth, paralyzed Hayata, and gave Satoru the authority of handing control of Earth 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 abilites with his devilish intellect.

  • 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 general role whenever he appears, with this appearance being exemplified in his manipulation of Science Patrol.
  • Deal with the Devil: His whole gimmick was that he was trying to make one with a mortal foolish enough to trade Earth for another world.
  • Evil Counterpart: Is meant to be one to Ultraman.
  • 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. In his original appearance, 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: In almost all his appearances.
  • 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.
  • 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 fell from the sky one day. Science Patrol had to figure out how to lift him back into the sky as not even Ultraman was strong enough to move it anywhere.
  • Breath Weapon: A stream of fire.
  • Came from the Sky: Science Patrol specifically named the monster for this.
  • Everything's Better with Dinosaurs: Best described as looking like a bloated ankylosaurus.
  • Fat Bastard: At a whopping two hundred thousand tons, he's the heaviest monster of the Showa Era Ultra Series.
  • Punny Name: Science Patrol dubbed the monster Skydon because he came "sky-down"!
  • Sleepyhead: Spends his time sleeping when not destroying the surrounding areas.
  • Super Toughness: His skin is so thick that Ultraman's attacks pretty much bounced off him. He doesn't quite qualify for The Juggernaut though since he spends most of his time lying in one place.

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.

First Appearance: Don't Shoot, Arashi!
A monster capable of emitting blinding flashes from its 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.

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

  • Achilles' Heel: Zaragas averts Transformation Is a Free Action whenever it pauses to metamorphose, meaning Ultraman can take the opportunity to attack it when it is in the middle of adapting.
  • Adaptive Ability: Aside from blinding flashes, he's got this one too. It's rarely seen in his later appearances though.
  • 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 original 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.
  • Metamorphosis Monster: Due to his Adaptive Ability and a leftover from when he was originally to be a shapeshifter. 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.

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. He did eventually appear 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 can levitate 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.
  • Hoist by His Own Petard: Ultraman defeated him by reflecting his levitation gas back at him, allowin Science Patrol to finish him off.
  • Meaningful Name: Geronimon is named after a prominent Apache chief.
  • Magical Native American: The feathers on his head are meant to resemble those of a stereotypical Native 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.
  • Necromancer: He is pretty much a kaiju version of Shang Tsung. 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!
  • 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.

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.
  • Buttmonkey: Solely exists to get his butt whooped by Kiyla and is later killed by Science Patrol, which is even more embarrassing when you consider Saigo was once going to be the one who killed Ultraman in the finale.
  • Demoted to Extra: Was going to be the final opponent for Ultraman, but got dropped in favour of Zetton below. Unfortunately, even Kiyla ended up overshadowing him!
  • Literally Shattered Lives: His death.
  • Meaningful Name: "Saigo" means "last" or "final" in Japanese, because he was supposed to be Ultraman's final enemy before Zetton stole the role. Also because he was the final 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...

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 Berume in Ultraman Ginga S to an unnamed individual in 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 dreaded Zetton was the very first monster to kill an Ultraman, giving him the title of being one of the most powerful regular monsters that Ultras have faced. He has since appeared in numerous other Ultra Series, especially since Ultraman Max, with all his dread reputation.

  • Ascended Extra: During production stages, Zetton was going to be a warmup monster in the final episode with Saigo was the final opponent. However, Tsuburaya realized that Zetton's design was too good to waste, hence why Saigo was Demoted to Extra.
  • 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.
  • Everything's Better with Dinosaurs: Even though he doesn't look anything like one, his Boss Subtitles are "Space Dinosaur". Apparently, it was a leftover from when Saigo was intended to be the final opponent of Ultraman.
  • 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 alphabet, "n" is the final letter of Japanese language, 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 one of the most powerful monsters (the most powerful in his debut).

Example of: