List of The Ultraman characters

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The Earth Defense Army (地球防衛軍, Chikyū Bōei-gun) is a United Nations organization established for the purpose of Earth's defense, space development and observations around the world. There are bases located in the United States, Europe, Africa, and the Far East. Each branch had its own group of Science Defense Squad (科学警備隊, Kagaku Keibitai),^[a] abbreviated as SDS, an elite squad of soldiers and scientists formed in the wake of mysterious phenomenon across the globe.

The series focuses mainly on the Far East branch of the SDS; the Earth Defense Army members led by Captain Akiyama, who later on was promoted in episode 26 with Gondo replacing him in episode 28. In the event of Empire of Heller's full-scale invasion on Earth, the SDS disobey orders from Earth and joined the U-40 Fleet to attack the Titan Base and made their invasion on Heller City of U-40. During their raid on the main tower, they were captured and almost executed by Mac Datar before Joneus interfered while Pig released them from their restrains. With the victory of the U-40 Fleet over the war, the SDS were sent back to Earth and bid farewell to Joneus and Amia months later.

Tetsuo Akiyama (アキヤマ 徹男, Akiyama Tetsuo; 1-26)/Captain Adams

Voiced by: Kinya Morikawa^[2][3] (Japanese); Tom Wyner (English)

The original captain of the SDS, who hand picked his Far East branch members on his own. Back in his days as a normal officer, he was a dear friend of Ogawara, who quit his job to build his anti-monster weapon Hector. In addition to his calm behavior, Akiyama is also observant towards his members. In aftermath of Gibaruga's fight, he was transferred to the monster observation team in the USA branch.

Daisuke Gondo (ゴンドウ 大助, Gondō Daisuke; 28-50)/General Steel

Voiced by: Hidekatsu Shibata^[3][4] (Japanese); Sam Reily (English)

The succeeding captain, after replacing Akiyama in episode 28. He is known for wearing a scarlet coat over his uniform. Because of his harsh regiment, the SDS members were insecure with him at first until Gondo managed to save them by instructing the Super Maddock to repair at an emergency rate. Despite his boisterous attitude, he approached his members as an older brother-like figure in contrast to Akiyama's fatherly figure. He had a great intuition towards a monster's movements, such as being able to predict Gamiba's presence on Maroi Island after knowing such place had no record of earthquake by natural means but is also fearful of supernatural existence (such as the rumored sightings of Yuki-onna). When the Empire of Heller's invasion on Earth increased, Gondo rebelled against the high authorities of Earth Defense Army by sending the entire SDS on a mission to join the resistance movement from U-40 to stop the Empire of Heller on their home planet.

Kei Marume (マルメ 敬, Marume Kei; 1-19, 21-50)/Lieutenant Marconi

Voiced by: Shingo Kanemoto^[2][3] (Japanese); Michael Dobson and Joe Perry (English)

Compared to other SDS members, Kei was enlisted after he persuaded Captain Akiyama for the membership. He is the team's sharpshooter and is always cautious on Hikari's constant absence during monster attacks. Despite his boastful antics, Marume is also a thoughtful person and has soft spot for children.

Hiroaki Tobe (トベ 博明, Tobe Hiroaki; 1-19, 21-50)/Lieutenant Glenn

Voiced by: Masanari Nihei^[2][3] (Japanese); Joe Perry (English)

The designer of the Super Maddock, whose recruitment into the team is due to his experience with the aforementioned aircraft. Even before the formation of SDS, Tobe had met Mutsumi earlier as they discussed their interest on the recent mysterious phenomenon that plagued the Earth. He is the team's weapons developer and was the acting captain in-between Akiyama's departure and Gondo's introduction into the SDS. In most missions, Tobe would plan any modifications made on the Super Maddock to better fit in selected mission. In the final episodes, Tobe and Marume managed to figure out Hikari's connection to Joneus by his constant absence during missions, as well as their computer saying there is virtually no difference between the two.

Mutsumi Hoshikawa (星川ムツミ 隊員, Hoshikawa Mutsumi; 1-19, 21-50)/Lieutenant Anne Johnson

Voiced by: Sumi Shimamoto^[2][3] (Japanese); Susan Harry Sprang and Barbara Goodson (English)

An 18 year old medical officer that joined the team due to making researches on the recent mysterious phenomenon. She hated being given a special treatment and strives to keep up with her male members.

Chouichirou Hikari (ヒカリ 超一郎, Hikari Chōichirō)/Scotty Harrison^[b]

Voiced by: Kei Tomiyama^[2][3] (Japanese); Gary Morgan and Steve Kramer (English)

A worker of the Space Satellite EGG3, who encountered Joneus while on his way to join the SDS and had since join forces to fight against monster and alien attacks resulted from a string of mysterious phenomenon on Earth.^[3][5][1] Because of their merger, Hikari trains daily to keep up with Joneus's performances. In the past, Hikari had once saved the entire Space Satellite EGG3 despite his declining oxygen level by killing a caterpillar-state Goglan from chewing the generator. Additionally, his act of keeping his heroic deeds a secret allows Joneus to choose him as a suitable host, having observe the incident from afar. At one point, Hikari and Joneus lost their lives in fighting the Devil Spirit and were brought to U-40 to be treated. There, he learned of his planet and U-40's connection to each other, fighting against invaders from Badel Star and bonded with Joneus again to save both U-40 and Earth. In the final episodes of the series, Hikari's constant absence has caught the attention of the rest of the SDS members, deducing his connection to Joneus. The two separated as Hikari joined the SDS in raiding Heller City's main tower but merged with Joneus during a fall from the tower.

Pig (ピグ, Pigu)/PDQ

Voiced by: Junpei Takiguchi^[2][3] (Japanese); Barbara Goodson (English)

One of the 100 robots who served the Earth Defense Army, Pig, or known by his actual name Computer Robot 78 (コンピュータロボット・78, Konpyūta Robotto Nana-jū Hachi) is chosen to aid the SDS as an analyzer. When Robot 101 was sent on a test run in the SDS's base, Pig felt itself outdated with constant ringing of monster presence (due to Compugon's activity) and ran away from the base with a malfunctioned Badei in order to commit suicide until Compugon's appearance restore his self confidence. In the event of Invader People's invasion on Earth, Pig becomes a stand-in pilot after Tobe and Marume stuck in monster containment planet Prison while Hikari (and later Mutsumi) was hospitalized from his injuries.

Monchi (モンキ, Monki)

Voiced by: Shigeru Chiba^[2][3]

SDS's monkey mascot and Pig's companion.

In episode 43, Monchi entered the Heller Army's electron transmitter by accident and fused with their Dostony A into Monchi-Dostony (モンキ・ドストニー, Monki Dosutonī; 43) until the Heller Fleet split them back to normal.^[c] As a result, the Dostony it bonded to had its consciousness suppressed and was brought back to the Heller Army's Titan Base. Monchi was separated shortly after and escaped the base through said transmitter to return to Earth.

Robot 101 (ロボット101号, Robotto Ichi Maru Ichi-go; 7)

Voiced by: Ichirō Nagai

Earth Defense Army's latest robot manufactured by the Far East Zone Robot Factory (極東ゾーンロボット工場, Kyokutō Zōn Robotto Kōjō).^[6] It was sent to SDS for its training and demonstrate an apathetic behavior to its senior Pig due to the latter being an outdated model. After Compugon's destruction, 101 passed its test run with a 98% and was transferred to the Japan Alps.

Ulook (ウルック, Urukku; 38-42, 45-50)^[8]

Voiced by: Yukari Nozawa^[9][10]

A series of assistant robots found on the Battle Ship "Ultria." One particular model, 2001, was activated by Pig and served the SDS since then. The miniature robot is constantly at odds with Pig due to their same positions. Although it exited the Ultria before its destruction, what happened to it in the events after the Heller Empire's collapse are unknown.

Yuriko Nojima (野島 ユリ子, Nojima Yuriko; 12, 13, 18)

Voiced by: Mari Okamoto^[11][12]

Nicknamed "Yuri," a female worker in the Earth Defense Army's coffee shop, who previously failed in an entry exam for the enlistment of SDS. Being a fan of monsters, her room has several pictures of them, including those from Return of Ultraman, such as Woo and Chameleking. She initially left her home at South Ukigo Island and lied about her membership to her father until the Islanda incident. However, the two reconciled as her father encouraged her on her job.

General Sakurada (桜田長官, Sakurada Chōkan; 1, 7, 14, 19, 26, 28, 29, 35, 36, 38, 45, and 47)

Voiced by: Ryūsuke Shiomi^[2][11][12]

The chief of Earth Defense Army in the Far East branch, he recruited Captain Akiyama as the first leader of the SDS.

Mr. Miyai (宮井副官, Miyai Fukkan; 19, 26, 28, 38 and 45)

Voiced by: Toshiya Ueda (26, 28, 38), Toshirō Ishii (19), Minoru Midorikawa (45)

Doctor Henry Nishiki (ヘンリー・ニシキ教授, Henrī Nishiki Kyōju; 5, 17, 32, 44)

Voiced by: Kazuo Kumakura^[2][12]

A rude London-born professor of Japanese descendant from the Africa Branch of the Earth Defense Army. Henry had been studying the disappearance of forests in Africa for a year and discover its cause to be the Toughguilar family of monsters. He gained custody of the two monsters cubs, Tafugirao and Tafugirako, and brought them along to Africa. He is least favored by the members of SDS due to his behavior and the inability to remember others' names properly but at the same time was revealed to have feigned his carelessness to observe others' behavior properly. In episode 44, Henry was given the permission from the Earth Defense Army to study the Ultria as he found a second control room and allowing the ship to split into two components during battle.

Paburo (パブロ; 17)

Voiced by: Shigeru Chiba

An African member of Earth Defense Army whose helicopter crashed in a desert.

• Super Maddock (スーパーマードック号, Sūpā Mādokku-gō)/Super Star: A multipurpose aircraft designed by Tobe. It was originally made for the Far East branch of Earth Defense Army before Captain Akiyama demanded the ship in exchange for leading the SDS. During long distance missions, it can act as a mobile base and has a room for scientific analysis. In episode 6, Tobe modified the Super Maddock with harpoon ammunition and an outer shell for underwater combat. It was destroyed in episode 37.
  • Badei (バーディ, Bādi)/Mini Rocket: A red fighter jet of Earth Defense Army used for reconnaissance purposes. It has canard wings and laser guns on each side. Pig once rode a malfunctioning gray-colored Badei before the others talked him out of his suicidal thoughts. In episode 47, space variants of the Badei units were introduced to fight against the invading fleet.
  • Beatamy (ベータミー, Bētamī): An orange-colored prototype VTOL which usually stored on the left side of Super Maddock. It is equipped with a rotating cannon on its back. Episode 48 saw the development of a space variant of the Beatamy for outer space combat purposes.
• Passenger (パッセージャー号, Passējā-gō): A subterrene first used for investigating forest disappearances in episode 5. In episode 33, a second unit called the Passenger II (パッセージャー2号, Passējā Nigō) was built as its successor with twin drills and used in the underground exploration of Maroi Island.
• Shooter ASS (シューターASS, Shūtā Ē Esu Esu): Six-wheeled patrol cars with butterfly doors.
• Space Craft N3 (ステーションホークN3, Sutēshon Hōku Enu Surī): An aircraft used by Tobe and Marume to explore the monster containment planet Prison in episode 34, but was destroyed by a rampaging monster.
• Spacecraft "Ultria" (巨大戦闘艦ウルトリア, Kyodai Sentō-kan Urutoria): A 300 meter long space combat ship which was created by the people of U40 and buried underneath the South Pole for safekeeping. In the height of the Empire of Heller's invasion on U-40, Amia escaped to Earth and reactivated the ship, giving it to the SDS in countering Heller's attack on Earth, as well as replacing the destroyed Super Maddock. Being made by the Ultras, the ship is powered by a nuclear fusion energy that is not of Earth properties and can sustain itself for at least 100 years. In episode 44, the Ultria was shown capable of splitting into two different components, Ultria A (ウルトリアα号, Urutoria Arufa-gō) and Ultria B (ウルトリアβ号, Urutoria Bēta-gō) respectively.

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In The Ultraman, the Ultra People (ウルトラ人, Urutora-jin) are human-like residents of planet Ultra U-40 (ウルトラの星U40（ユーフォーティー）, Urutora no Hoshi Yū Fōtī), demonstrating a similar culture to Ancient Greece, wearing garments such as the Himation and Toga. Despite their initially primitive appearance, they possess advance science and technology, with an underground city which was hidden beneath the planet's surface.

A long time ago, the citizens of U-40 were human-like beings who wished to expand their race further to the outer space. Earth was one of the stars they visited and established the very first human civilization with Neanderthals. To combat against the evil forces in space, they created the Ultra-mind (ウルトラマインド, Urutora Maindo) and became Ultra-Humanoids (ウルトラヒューマノイド, Urutora Hyūmanoido). They would soon discard the Ultra-mind within a black hole to prevent any misuse from outside forces.

When the Earth was plagued by mysterious phenomenon, the Ultras sent their message and strongest warrior Joneus to guard the planet from monster attacks. One of these nefarious forces, called the Badel People invaded U-40 as their Devil Spirits were acting on Earth. With Joneus still in recuperation, Elec, Loto and the other five warriors would fight the invading forces while Hikari and Amia tried to invade the Badel Star. A fully healed Joneus participated in the battle again to save his kind while the other seven warriors contain the stolen Ultra-mind. However, not long after that, the Empire of Heller, a renegade faction of the Ultra People, invaded the U-40 in retaliation of their banishment in the past. The surviving Ultra People were led by Elec and Loto as the U-Fleet (U（ウルトラ）艦隊, Urutora Kantai; the "U" stands for "Ultra"), with the SDS joined them in a campaign to reclaim U-40.^[10] With the Empire of Heller defeated and Heller killed, U-40 citizens that previously scattered in outer space returned to their home world and celebrated Joneus's victory.

Although still in human size, eight chosen warriors of U-40 have Star Symbols (スターシンボル, Sutā Shinboru) on their chest allowing them to change their sizes into giants and travel to any planets in short distances and measure their energy levels. As the Earth's atmosphere quickly drains their energies, they can only sustain their giant forms for 4 minutes as the Star Symbol changes color from blue to yellow, and finally to red after 30 seconds. When bonded with an Earthling or to transform into giant sizes, they used the beam-Flasher (ビームフラッシャー, Bīmu Furasshā), a star-like pendant by placing it on their forehead to transform. Starting from episode 20, later appearances had the transformation style added with the phrase "Ultrachange!" (ウルトラチェンジ!, Urutora Chenji!). According to Elec and Loto, regular people of U-40 can submit themselves into suspended animation to survive for a longer period, though this required the Ultra-mind to reverse the process altogether.

Ultraman Joneus (ウルトラマンジョーニアス, Urutoraman Jōniasu)^[13][d]

Voiced by: Masatō Ibu^[2][3] (Japanese); Gary Morgan and Tom Wyner (English)^[e]

The eponymous Ultraman, Joneus is the strongest warrior of his kind who was dispatched to Earth in the height of unnatural phenomenon that caused monsters to appear.^[5] He bonded with SDS member, Chouichirou Hikari, during the youth's return to Earth and had been helping his team in defending Earth from monster attacks.^[5] During Badel's invasion on Earth and U-40, Joneus and Hikari lost their lives in the ensuing battle and were carried to his home world for recuperation. The recently healed Joneus bonded with Hikari once more to reverse the tide of the battle, therefore saving both their planets. During the U-40's Fleet's raid on Heller City, Joneus separated with Hikari to join his brethren in space in fighting against Empire of Heller's combat ships. Once his deed was done, he would fuse with the youth in one final time to save the SDS and Amia. Once peace has returned to Earth, Joneus revealed his human form to Hikari as he and Amia stayed on Earth to help repair the damages done from the ensuing war. Months later, the two bid farewell to the SDS but promised to return should Earth's safety be threatened again.

Since Joneus was the initial sole Ultraman in the series, he was only named as "Ultraman" from Pig's analysis and is referred to this by the Earthlings as well. Starting from episode 20, his original name Joneus was revealed and Hikari started calling his Ultraman partner by his real name in episode 46. Although his height is averagely 70 meters like his kind, Joneus can shift his size freely into microscopic and even enlarging to 120 meters after absorbing enough sunlight.^[13] His favored attack is Planium Ray (プラニウム光線, Puraniumu Kōsen), which can be presented in two versions; A Type (shooting a ball of light)^[21] or B Type (conventional hand beams like M78 Ultramen).^[22]

Elec (エレク, Ereku; 19-21, 27, 29, 31, 34, 35, 48-50)/Maral

Voiced by: Masaru Ikeda^[3][12]

The first Ultra Warrior aside from Joneus to appear. Having received the distressed beacon from his fellow brethren, Elec came to Earth with a space saucer and brought Hikari's lifeless body to U-40 for a resuscitation operation. He would join Loto and five other chosen warriors to defend their home world and reclaim the Ultra Mind when Badel tried to expel them from their planet.

His human form is known for his blonde hair. In his transformed state, Elec can use Elekrium Beam (エレクリウムビーム, Erekuriumu Bīmu) and Elec Barrier (エレクバリヤー, Ereku Bariyā) energy shield.^[23]

Loto (ロト, Roto; 20, 21, 27, 29, 34, 35, 48-50)/Jedal

Voiced by: Yoshito Miyamura^[3][12]

Elec's comrade during their war with the Badel People, who return to combat despite his injuries. Alongside Loto, they founded the U-Fleet from U-40 residents that fled from Heller's tyrannical regime.

His human form is distinctively known for his brown hair. As an Ultra Humanoid, he can fire the Lotolaria Ray (ロトラリア光線, Rotoraria Kōsen) as his finisher.^[23]

Amia (アミア; 20, 21, 31, 37, 38, 47-50)/Anya

Voiced by: Kumiko Takizawa^[3][12] (Japanese); Gladys Enright (English)

Joneus's younger sister. After healing Hikari during the Ultra People's fight with Badel, the two would pilot a spacecraft to attack the alien forces but separated from a stray beam as Joneus bonded with the youth again and saved his little sister. At some point of time, Amia developed an affection for Hikari and decided to go to Earth by stealing a Star Symbol, bonded with an ill girl named Kyoko Kodaka (小高 京子, Kodaka Kyōko), and even helped Joneus in fighting against Garubados. She arrived on Earth again to uncover the battleship Ultria in the height of the Empire of Heller's invasion but was forced to rejoin the surviving Ultra People. Hearing that the army would send a full scale invasion on Earth, Amia posed as one of the soldiers and slipped into an invading ship to contact the SDS.^[24] When the Ultria was dispatched to space, Amia joined the SDS and later her own kind but was kidnapped by the Empire of Heller and put on trial by Heller. When Joneus and the other seven warriors foiled Heller's attempt to escape, Amia resurrected the President and escaped. Amia would later on join Joneus in observing Earth for months before returning to their home world.

As an Ultra Humanoid, Amia can unleash the Amiassher (アミアッシャー, Amiasshā) energy beam and use the Amia Eye (アミア・アイ, Amia Ai) technique to see in the dark.^[23][25]

President (大賢者, Dai Kenja; 20, 21, 27, 31, 34, 37, 49, 50)

Voiced by: Kōhei Miyauchi^[3][12]

The main leading figure of U-40 and its residents. He issued the war against Badel People when their forces threatened the safety of his home world. During Heller Empire's invasion, the President instructed Amia to find her brother before he was captured and imprisoned by Heller. Heller reduced the President to atoms and kept his atomic makeup on a computer card before Amia restored him when Joneus ravaged through the throne room. Once peace returned to U-40, the President congratulated Joneus, Hikari and the SDS for their contribution in reclaiming their home world.

Five Warriors (5人の戦士, Gonin no Senshi; 20, 21, 29, 48-50)

A group of five other chosen warriors of U-40, three of them were named Noah (ノア, Noa), Mige (ミゲル, Migeru) and Meleg (メレグ, Meregu). They were first seen participating in the campaign against Badel People to defend their home world and later on joined Joneus destroy Baradon's saucer in episode 27.

By themselves, they can fire Ultra Warrior Hand Beam (ウルトラ戦士ハンドビーム, Urutora Senshi Hando Bīmu)^[23] or combine with three others (Joneus, Elec and Loto) to form Ultra Super Laser (ウルトラスーパーレーザー, Urutora Sūpā Rēzā) and Ultra Warriors Joint Barrier (ウルトラ戦士合同バリヤー, Urutora Senshi Gōdō Bariyā).^[26]

Zamius (ザミアス, Zamiasu; 21)

Voiced by: Osamu Kato

The U-40 Fleet Commander who lead his people in the war against Badel People. As revealed in the Ultraman Taiga Voice Drama The Ultraman Titas, he has a son named Matia and adopted Titas, losing his the former during Heller Empire's invasion.

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Evil Aliens Badel People (凶悪星人 バデル族, Kyōaku Seijin Baderu-zoku; 20, 21)^[f]

A barbaric tribe born from a race of reptiles that evolved into humanoid-like bodies. A long time ago, the Badel People raged war upon the citizens of U-40 when the Ultra People failed to develop communication with them. They managed to fight back by creating the Ultra-mind that transform them into Ultramen. In the present day, the Badel People had become advanced enough that they managed to retrieve the Ultra-mind from a black hole and created the Devil Spirit to attack the Earth, all while using their home planet-turned planetary scale battle station Badel Star (バデルスター, Baderu Sutā) to resume their campaign on U-40.^[7] With the Ultra-mind reclaimed and Bagon defeated, the Badel forces were eliminated.

• Devil Spirit (精神寄生体, Seishin Kiseitai; 19, 21): By using the Ultra-mind stolen from the depths of a black hole, they created the Devil Spirit, a malevolent spiritual entity that would assimilate with any reptile turning them into monsters. On Earth, the Parasite have been known to use the bodies of Guerad, Janur and Bedoran before finally destroyed in Janur III. Assimilated monsters have the Reptile Monster (は虫怪獣, Hachū Kaijū) prefix on their name:^[g]
  • Guerad (ゲラド, Gerado; 19): Born from the Devil Spirit possessing a monitor lizard, it rampaged across three major cities in African continent and fought Joneus to the point of exhaustion before exploding from the latter's Planium Ray. This form is known for the ability to exhale flames.^[27]
  • Janur (ジャニュール, Janyūru; 19):^[h] Once Guerad had been destroyed, the Devil Spirit would assimilate with a king cobra, fighting the severely weakened Joneus with its electricity-induced constriction before the Ultra retreated.^[28]
  • Bedorun (ベドラン, Bedoran; 19):^[i] A stegosaurus monster that served as the Devil Spirit's new body, rampaging in North America. With its 900,000° fire breath and horns,^[29] it managed to beat the weakened Joneus to death.
  • Janur III (ジャニュールIII世, Janyūru Sansei; 21):^[j] A three headed variant of Janur which the SDS fought against. When the Ultra-mind was sealed by seven chosen warriors, Janur III and the Devil Spirit lost their strength as they were destroyed by Super Maddock and Badei units.
• Dark Monster Bagon (暗黒怪獣 バゴン, Ankoku Kaijū Bagon; 21): A gigantic monster that Badel sent to attack U-40, who is capable of exhaling white flames for offensive means.^[30] It originated from the deepest part of the space and was originally uncontrollable until the Badel get their hands on the Ultra-mind. While the rest of the chosen Ultra People sealed the Ultra-mind, Joneus fought against Bagon on his home world and successfully destroy it with Rocking Spark while being thrown into the frictional heat during its atmospheric fall into U40.
• Space Star Beast Garubados (宇宙星獣 ガルバドス, Uchū Seijū Garubadosu; 31):^[k] A nautilus space monster that is remnant of Badel's fighting forces, it went to Earth after tailing Amia's energy sphere. Because Joneus used up most of his energies to heal Kyoko, he was partially drained in the battle and almost defeated until Amia transformed and destroy it when both siblings combine their energy beam.

The Empire of Heller (ヘラー帝国, Herā Teikoku) is an empire established by Heller and other 3,000 like-minded Ultra family who became Heller People after abusing the Ultra-mind for immortality instead of an Ultraman form.^[l] 10,000 years later, the Empire invaded U-40 and attempted to target Earth for Ultraman Joneus and the battleship Ultria. Aside from his fellow U-40 brethren, the Empire also had membership of aliens from other races and different kinds of monsters. When planning attacks on Earth, a portion of the fleet were led by Roigar resided on one of Saturn's moons and set up the Titan Base (タイターン基地, Taitān Kichi).

Following the death of Gedon, the Empire of Heller sent an all out attack on Earth to destroy any remaining humans. This caused the SDS to disobey the Earth Self Defense Army in joining the U-Fleet to destroy the Titan Base and made their way to U-40, delivering a counterattack on Heller City (ヘラーシティ, Herā Shiti). The death of Heller and resurrection of the President cemented the group's defeat as the U-Fleet regained their home world.

Heller (ヘラー, Herā; 37, 38, 49, 50)^[8]

Voiced by: Tamio Ōki^[3][31]

The major antagonist of The Ultraman. Heller's wish for immortality caused him and his followers to be banished from U-40 towards the dark nebula, in which he established his fleet and invaded his former home world 10,000 years later. Fearing that the surviving Ultra family would cooperate with humans, Heller ordered the full scale invasion on Earth to wipe any surviving humans left. When the U-Fleet and SDS eliminated most of his fleet, Heller try to escape with the Ultra-mind and the President's data by ejecting the entire Heller City from U-40 but Joneus intruded at the last minute to save Amia and the President while Heller died in the ensuing explosion of Heller City.

Roigar (ロイガー, Roigā; 37-44, 48)^[8]

Voiced by: Ryūzaburō Ōtomo^[31]

The de jure leader of the Empire of Heller, overseeing the invasion of Earth from one of Saturn's moons. He was also responsible for sending various monsters to Earth, including deceiving other aliens to do Heller's bidding. When Amia was captured during the SDS and Ultra family's assault on the Titan Base, Roigar arranged Amia to be sent on a rocket and allow himself to die in his base's self destruction.

Soldiers of Heller (ヘラー軍兵士, Herā-gun Heishi; 37-43, 45-50)^[m]

Voiced by: Shigeru Chiba, Minoru Inaba, Ken Yamaguchi, Masashi Hirose, Yusaku Yara, Tōru Shinagawa, Hajime Koseki, Satoshi Ōgiya, Toshimasa Ueda

Armored soldiers of the Empire of Heller with horned helmets. Regular soldiers are known for their grey armor whereas high ranking personnel wear red versions.

The Empire of Heller Earth Attack Commander (ヘラー軍地球攻撃司令官, Herā-gun Chikyū Kōgeki Shirei-kan; 47)

Voiced by: Tetsuo Mizutori

A leading officer that ordered the capture of Hikari and Amia when the two snuck into their ship. He was killed in the resulting explosion when Joneus commenced his attack.

Space Soldier Giro Space-men (宇宙兵士 ギロ星人, Uchū Heishi Giro Seijin; 41)^[n]

Voiced by: Yasuo Tanaka, Shigeru Chiba

An alien race whose planet was among those ravaged by the Empire of Heller and demanded a third of the Earth should they successfully helped overthrowing Ultraman Joneus and the Earth Self-Defense Army. They sent their monster Giros for their fake Ultraman Joneus to fight while studying the underground passage for invasion purposes. Once testing completed, they sent both Giros and the fake Joneus on a rampage to fight against Ultria but once both their forces defeated, they try to attack the defenseless Ultraman on their own until Ultria opened fire on their saucer.

Space Demon Army Alien Sien (宇宙魔軍 サイエン星人, Uchū Magun Saien Seijin; 44)^[o]

Voiced by: Yoshito Miyamura, Minoru Inaba and Shigeru Chiba

An alien race under the Empire of Heller's servitude. From their Sciender, they launched Capsule Monster Capera Don to Earth as invasion forces. As the Sciender was destroyed by Joneus, several of them try to flee in their space fighter, only to be killed by the Ultria ships' laser beams and Joneus's Premium Beam.

Flying Saucer "Sciender" (隕石円盤サイエンダー, Inseki Enban Saiendā) is a 10 km diameter meteorite which was modified into their space saucer and base of operations. It houses a large number of missiles and space vessels of the Empire, as well as a Saucer Monster Spader to guard their base. From the Sciender, they also launched the Capera Don monsters to Earth. The Ultria ships would attack the base and was destroyed with the help of Joneus.

Android Soldier "Android Unit 201" (アンドロイド兵士 アンドロイド201部隊, Andoroido Heishi Andoroido Ni Maru ichi Butai; 45)

Voiced by: Shojiro Kihara (Jinda), Minoru Inaba, Ken Yamaguchi and Shigeru Chiba

A team of androids who posed as Captain Zinda (ジンダ隊長, Jinda Taichō) and a squadron of Unit 201 (201部隊, Ni Maru ichi Butai) from the Earth Self Defense Army Far East Zone. After slipping into the SDS's base, they first bomb the main generator and try to sabotage the Ultria battleship. A portion of their squadron faced against Tobe and Marume's team of guards. The Captain Zinda impostor placed a bomb on Pig but was killed by Hikari upon transforming into Joneus.

Empire of Heller's fighting forces

• Capsule Monster Gumons (カプセル怪獣 グモンス, Kapuseru Kaijū Gumonsu; 37, 38): A monster from dark nebula that was sent to uncover the battleship Ultria on Earth. Joneus fought against it as Gumons was killed by the firepower of Ultria, boarded by Amia.
• Giant Strange Cat Hell Cat (巨大怪猫 ヘルキャット, Kyodai Kaibyō Herukyatto; 39): The first assassin sent by Roigar to Earth, it is a space life form from dark nebula that drains its target of energy to grow in size. The Hell Cat targeted a space shuttle and killed its crew members as it returned to Earth one year ahead from its intended schedule. Posing as a harmless domestic cat, it slipped into the space station EGG-3 and killed a patrolling guard on duty, forcing the Ultria to leave but the Hell Cat managed to enter it undetected. After attacking Pig and Mutsumi in her shower, Joneus appeared as he lured Hell Cat to an empty room as Pig detonated the wall for both of them to be ejected to outer space. With the sunlight, a fully charged Joneus continued his battle and destroy the Hell Cat with the Premium Beam with the help of the Ultra's anti-proton beam.
• Fake Ultraman Joneus (にせウルトラマンジョーニアス, Nise Urutoraman Jōniasu; 41):^[p] A robotic knock-off of Ultraman Joneus which the Giro Space-men first used in a staged fight against their own monster Giros on three occasions. After the Giro Space-men succeeded in their plan, the fake Joneus would join forces with Giros to attack the battleship Ultria. The real Joneus fought against him and caught in a beam struggle. When the fake Joneus loses, his body turned blue and exploded. Being a copy of Joneus, his grunts is on a lower pitch and shoots planium X-beam (プラニウムX光線, Puraniumu Ekkusu Kōsen).^[13][6][32]
• Rotating Monster Giros (回転怪獣 ギロス, Kaiten Kaijū Girosu; 41):^[q] A monster that Giros Space-men used as part of their invasion forces. It participated in a mock fight against fake Joneus three times before they were called to help the Empire of Heller in rampaging at an urban area. After defeating the fake Joneus, the Ultra switched his focus to Giros and defeated it with Premium Beam. Giros can unveil a set of blades on its torso which rotates to create a tornado to shield itself or tearing apart any objects in its path.^[34]
• Electric Monster Neo Dostony (電送怪獣 ネオドストニー, Densō Kaijū Neo Dosutonī; 43):^[r] A fusion of both dark nebula Dostony monsters, A and B when their particles fused through the electron transmitter in the Titan Base. Once deployed to Earth, Neo Dostony fought the army with its fire breath^[35][7] as Joneus appeared and threw the monster to its electron transmitter, destroying both machine and monster with Premium Beam.
  • Dostony A (ドストニーA, Dosutonī Ē; 43): The first of the Empire of Heller's Dostony units to be sent to Earth through their electron transmitter, unfortunately, it fused with Monchi into Monchi-Dostony and had its consciousness suppressed. The fusion was kept imprisoned by Earth Self Defense Army until Dostony B captured it to be brought back to the Titan Base. Upon return, Dostony A was separated from Monchi and fused with its brother unit into Neo Dostony.
  • Dostony B (ドストニーB, Dosutonī Bī; 43): The second Dostony to be created and sent to retrieve its brother unit that was fused with Monchi. Once they returned to the Titan Base, they were simultaneously fused into Neo Dostony.
• Saucer Monster Spader (円盤怪獣 スペーダー, Enban Kaijū Supēdā; 44):^[s] The Siender's guardian, deployed to attack the Ultria Alpha. As the Beta half joined the fray, Joneus dragged Spader away from it the Ultria and destroy it with Premium Beam.
• Capsule Monster Capera Don (カプセル怪獣 カペラドン, Kapuseru Kaijū Kaperadon; 44):^[t] A herd of monsters which deployed by Alien Sien in containment pods. Nine of them were descended to attack Earth on various continents of the planet before worldwide forces of Earth Self Defense Army taken care of them. A second wave were destroyed by the firepower of Ultria Alpha in space, but one managed to slip into Earth, forcing the ship's Beta half to go after it. Joneus defeated the monster before the Ultria Beta resume its journey with warp drive.
• Cumulus Monster Golding (積雲怪獣 ゴルディング, Sekiun Kaijū Gorudingu; 45):^[u] A space monster deployed to attack an urban area. From its mouth, it can form the Rock Chain Attack (岩石チェーン攻撃, Ganseki Chēn Kōgeki) to whip its opponents with^[36] and can shroud itself with energy to counter beam attacks. With the Zinda Android's bomb removed from Pig, Joneus threw it into Golding's mouth as it exploded upon detonation.
• Mecha Monster Gedon (メカ怪獣 ゲドン, Meka Kaijū Gedon; 46):^[v] A giant robot which moves about in a caterpillar thread with its weapon being three Vulcan Cannons on its hands and fires Beam Eye (ビームアイ, Bīmu Ai) from its singular optic.^[7] A saucer from the Empire of Heller controlled it from the sky. While rampaging in an urban area, Joneus's presence forced it to retreat until the monster return at night to attack the SDS base. Through the transmitter that Tobe made, Hikari fine tuned it for Mutsumi to tell him as Joneus of the Heller Saucer's location. This allows Joneus to destroy the Empire members on board, causing Gedon to go haywire and destroyed from Joneus's Premium Beam.^[37][38]
• Combination Monster Heleumeya (合成獣 ヘラ・ウマーヤ, Gōsei-jū Hera Umāya; 48):^[w] A monster that guarded the Titan Base and was deployed when Amia, Hikari and Marume invaded their base. With the ability to breathe fire, Heleumeya weakened Joneus until Elec and Loto arrived, defeating the monster off-screen.^[29]
• Heller's Pet "Panther" (ヘラーのペット パンサー, Herā no Petto Pansā; 49, 50): A horned space panther which helped in capturing Amia during her attempt to escape custody. Before Panther could execute Amia under Heller's orders, it was attacked by Joneus and killed in Heller City's destruction.
• Execution Monster Macdater (処刑怪獣 マクダター, Shokei Kaijū name is written in the magazines as "Makdatar".^[6][7]) The last monster of the series, Macdater was a carnivorous monster from the dark nebula and kept underneath Heller City. It was released to kill the captured SDS members before Hikari transform into Joneus and joined with Elec and Loto to destroy it.