Ikazuchi Kamen Rider

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Ikazuchi (雷[イカヅチ]) is a member of MetsubouJinrai.NET and a supporting antagonist in Kamen Rider Zero-One.


He is originally an Astronaut-Type HumaGear named Uchuyaro Raiden (宇宙野郎雷電Uchūyarō Raiden, lit. Spaceman Raiden) in charge of Zea and the "older brother" of Uchuyaro Subaru.





Raimeiken Ikazuchi


In reality, he was actually a sleeper agent working for MetsubouJinrai.net and transforms into Kamen Rider Ikazuchi (仮面ライダー雷[イカヅチ]Kamen Raidā Ikazuchi, lit.

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"Masked Rider Thunder").
Ikazuchi is portrayed by Daichi Yamaguchi (山口 大地Yamaguchi Daichi), who previously portrayed Kimura/Kamen Rider Verde in Rider Time: Kamen Rider Ryuki.

For the Seiken from Kamen Rider Saber, see Raimeiken Ikazuchi.
"I'm calling down the thunder!"
―Ikazuchi's catchphrase[src]
"Subaru and I used to take care of Zea while navigating the cosmic ocean. It's our job to keep her safe."
―Ikazuchi's views on his duties towards Zea.[src]

This makes Daichi the first actor in the Kamen Rider Series to performed the roles of two different Riders from different series and eras within the same year. As Kamen Rider Ikazuchi, his suit actor is Hajime Kanzaki (神前 元Kanzaki Hajime). Uchuyaro Raiden was created to maintain the Ark once it had launched.

However, the Daybreak Town Accident prevented the launch from occurring. During the course of the Accident, Raiden's programming was compromised by MetsubouJinrai.NET, who installed new protocols that were undetectable by Raiden himself so that he could serve as a sleeper agent.

  • Hiden Intelligence then shut Raiden down due to him no longer having a task to fulfill.
  • When Zea was successfully launched, Raiden was reactivated and assigned to the satellite to maintain it.
  • However, he unknowingly began leaking Zea's data to MetsubouJinrai.net.
  • After Aruto summoned the Rise Hopper while he and Subaru were in the process of returning it to Zea, Raiden returned to Earth and stormed into Aruto's office.
  • He confronted the young CEO and suggested that he should resign, angered that he carelessly summoned the RiseHopper after returning it back to space.

Item Information


Aruto apologized and exclaimed that he didn't know. Subaru was satisfied with this answer and began to leave, but Raiden stopped him and continued to berate Aruto and Jun Fukuzoe. Raiden then brought Aruto to the Hiden Space Development Center to give him an appreciation for the hard work that he and his brother do. Raiden, Subaru, Izu, and Aruto were intercepted by Isamu Fuwa and Yua Yaiba, who asked if Zea was able to detect Humagears who are approaching singularity.


"Ikazuchi doesn't know he's a spy. What I mean is, he was programmed to direct data to us from Satellite Zea. Humagears can do amazing things like that unlike humans."
―Jin explaining Ikazuchi's role in MetsubouJinrai[src]

Raiden responded that it can, and Fuwa accused him of being a spy for MetsubouJinrai.net due to the kanji for his name being present in the organization's name as well. Raiden responded aggressively, and the two almost had a physical confrontation before being separated by Izu and Yaiba. Subaru began to defend his brother, but the group was interrupted by the arrival of Jin, who stated that he had come to take their Progrisekeys and transformed. Aruto, Fuwa, and Yaiba transformed to fight him and the Trilobite Magia that he had created. Zero-One was able to defeat Jin in Shining Hopper, causing him to attempt to hack Raiden and Subaru using tendrils. Raiden pushed Subaru out of the way to protect him and was pierced by both tendrils.


"All... as the Ark wills it."
―Horobi welcomes Ikazuchi's revival[src]

However, he resisted the hacking and removed the tendrils form his body, leading Jin to retreat while commenting that it was no wonder how Raiden survived the Daybreak Town Accident. Inside the Space Development Center's observatory, Raiden and Subaru related Raiden's history to the group. Raiden stated that he is training Subaru to replace him. Fuwa still suspected Raiden of being a spy, so the Humagear declared his intention to locate MetsubouJinrai.net's base to prove his innocence.


Once Raiden and Subaru discovered that MetsubouJinrai.net was based in Daybreak Town, Raiden brought Aruto and Fuwa there with him to investigate. In a tunnel leading to the lake where the Ark rests, the group is confronted again by Jin, who referred to Raiden as "Ikazuchi". In response, Raiden's MetsuboJinrai programming began to resurface. This lead Fuwa to conclude that he is a spy, though Raiden continued to insist that he wasn't while resisting the programming.

"Don't give me that scared face, president! It's me, Uchuyaro Raiden!"
―Ikazuchi joins HIDEN Manufacturing, much to Aruto and Jin's surprise[src]

Jin explained that Raiden didn't know he was a spy and reveals that MetsubouJinrai had programmed him to transmit Zea's data to them. He also reveals that when he attempted to hack Raiden, he had installed a program that directed him to bring Aruto and Fuwa to their hideout. Jin then attaches a Forceriser to Raiden, forcing him to submit to his dormant programming. Now loyal to MetsubouJinrai.net, Raiden uses the Forceriser and the Dodo Zetumerise Key provided by Jin to transform into Kamen Rider Ikazuchi.

Aruto and Fuwa transformed to fight Ikazuchi, but he quickly defeated them and took the Biting Shark, Flaming Tiger, Freezing Bear, Breaking Mammoth, Shooting Wolf, and Punching Kong Progrisekeys. Jin then gave him the Sting Scorpion and Flying Falcon Progrisekeys, and he inserted all eight into his Progrise Holders. This resulted in the Progrisekeys' Rider Models being extracted from Zea and entering the Ark, reactivating it. The Ark then created the Assault Wolf Progrisekey.

Aruto transformed into Zero-One Shining Hopper to fight Ikazuchi, and was initially successful in overpowering him. However, the fatigue resulting from using Shining Hopper overwhelmed Aruto and Ikazuchi gained the upper hand. Izu then arrived and supplied Zero-One with the Authorise Buster, which he used to fire a powerful blast at Ikazuchi and cause him to drop the stolen Progrisekeys. Jin recovered the Sting Scorpion and Flying Falcon Progrisekeys, while Izu recovered the rest. Horobi then arrived and gave the Assault Wolf Progrisekey to Jin, but Zero-One fired the Authorise Buster again, resulting in Jin dropping the Progrisekey while avoiding the blast and Aruto being forced out of transformation due to the strain.


Fuwa then took the Assault Wolf Progrisekey and transformed into Vulcan Assault Wolf. Ikazuchi attacked Vulcan but to no effect. Vulcan then quickly overwhelmed Ikazuchi and was given the Authorise Buster by Aruto. He used it to fire a construct of Punching Kong's Gauntlet at Ikazuchi, who countered with lightning produced by both hands. However, Vulcan's attack prevailed and destroyed Raiden. As Jin and Yua Yaiba made preparations to extract Naki from Isamu Fuwa's head, Horobi went to go steal the Progrisekey containing Spaceman Raiden's data back from Aruto Hiden.


After holding the HumaGear Midori hostage, Horobi forced Aruto to hand over the key. After the two assumed their Rider forms to fight for the key, Jin Burning Falcon swooped in and stole it from Aruto. With the data from the Progrisekey, Jin and Naki were able to restore Ikazuchi to a new body, reuniting MetsubouJinrai.NET at last. Naki was later approached by Azu, the Ark's secretary, who collected the data on Naki's Singularity in order to use it to reawaken the Ark. With all four members of MetsubouJinrai.NET fully reassembled, Ikazuchi and the others joined together to use their combined data to fully bring back the Ark. Upon manifesting in a physical, liquid metal form, the Ark flew into Horobi to possess him, triggering an explosion that damaged one of Naki's earpieces.

Ikazuchi later repaired Naki before going out to confront Kamen Rider Zero-One alongside the other members of MetsubouJinrai.NET and Ark-Horobi. Later on, Ikazuchi and the rest of MetsubouJinrai.NET were met by a massive army of A.I.M.S. soldiers when they arrived to raid their base. After emitting a signal to paralyze the ordinary A.I.M.S. soldiers, Ark-Zero, flanked by Kamen Riders Horobi, Naki and Ikazuchi, faced off against Kamen Rider Thouser and his two Battle Raiders.

Ikazuchi and the others fought the Battle Raiders while Ark-Zero dealt with Thouser. Thouser fought off the MetsubouJinrai.NET Riders, but was decisively beaten by Ark-Zero.


Gekkou Raimeiken Ikazuchi

Ikazuchi later led the Ark to Hiden Intelligence's space center. As they advanced on the building, Ikazuchi had flashbacks to his time working for Hiden, but when the Ark noticed Ikazuchi told it that it was nothing before the two continued on.

Behind the Scenes

After Ark-Zero and Ikazuchi retreated back to MetsubouJinrai.NET's base, Ikazuchi continued having flashbacks to his memories of his "brother" Subaru.

Daichi Yamaguchi

Eventually, remembering his time as an employee of Hiden, Ikazuchi left MetsubouJinrai.NET's base and went to HIDEN Manufacturing to meet with Aruto and help him destroy the Ark.

Ikazuchi informed Aruto that the Ark intended to take over Satellite Zea and accompanied Aruto and Jin when they went to confront the Ark at Daybreak Town.

  • When the two arrived at the entrance however, the Ark (in the body of Horobi) appeared accompanied by Naki and took out Jin before revealing that he had anticipated that Ikazuchi's lingering feelings for his brother would lead him to go to Aruto, and that he had counted on that in order to get Ikazuchi to lead Aruto to him.
  • The Ark then transferred its essence from Horobi to Ikazuchi to possess him and transformed him into Kamen Rider Ark-Zero as Aruto became Kamen Rider Zero-One.


The Ark was later driven from Ikazuchi when Ark-Zero was defeated by Kamen Rider Zero-Two. Horobi then showed up to lift the battered Ikazuchi over his shoulder before walking away with him.

  • Raiden is a HumaGear with an aggressive and passionate personality.


His programming had been compromised by MetsubouJinrai.net during the Daybreak Town Accident, but continued to function normally as a sleeper agent. When MetsubouJinrai.net was ready to enact their plan to construct the Assault Wolf Progrisekey, Jin reactivated his corrupted programming. Despite initially being able to resist, the use of a MetsubouJinrai Forceriser bested him. Thus, he became loyal to MetsubouJinrai.net, though his hotblooded nature remained when fighting as Kamen Rider Ikazuchi.

Kamen Rider Ikazuchi. Raiden with his "younger brother", Subaru. Ikazuchi after being revived. Ikazuchi about to transform. Ikazuchi leaving MetsubouJinrai.NET. Ikazuchi rejoins the space division of Hiden Intelligence. Ikazuchi and Horobi. Dodo Zetsumerise Key. Attache Shotgun. Ark | Horobi | Naki | Jin | Ikazuchi | Little Assassin | Azu | Kamen Rider MetsubouJinrai.


Magia: Berotha Magia |Kuehne Magia |Ekal Magia |Neohi Magia |Onycho Magia |Vicarya Magia |Gaeru Magia |Mammoth Magia |Dodo Magia |Arsino Magia |Trilobite Magia | Dodo Magia Chick.


  • Lyon Arkland | Gai Amatsu | Makio Nodachi | Masamitsu Yuto | Azu | Giger. A.I.M.S.: Isamu Fuwa | Yua Yaiba | Eida | Ono | Degawa | Shida | Eifuku | Ito. Raiders: Crushing Buffalo Raider |Splashing Whale Raider |Dynamiting Lion Raider |Storming Penguin Raider |Scouting Panda Raider |Battle Raiders.
  • Solds: Sold9 | Sold20. S |Bell |Moore |Lugo |Buga |Kamen Rider Abaddon. Finis |Will |Soreo Hiden |Battle Magia. Kuroto Dan |Masamune Dan. Thor: Love and Thunder - The Loop. Do you like this video? Daichi Yamaguchi (山口 大地,Yamaguchi Daichi) is a Japanese actor who portrays Ikazuchi in Kamen Rider Zero-One. He previously portrayed Kimura in Rider Time: Kamen Rider Ryuki.


Golden Alangina: Espada delivers a lightning slash that sends a mass yellow energy quills flying at the enemy. Shutoku Issen (Lamp do Hedgehog) (Step 1: Charging). Shutoku Issen (Lamp do Hedgehog) (Step 2: Yellow energy quills). Shutoku Issen (Lamp do Hedgehog) (Step 3: Lightning energy slash). Shutoku Issen (Golden Alangina) (Step 1: Charging). Shutoku Issen (Golden Alangina) (Step 2: Yellow energy quills shooting). Espada delivers a slash that summons a lightning energy projection resembling Cerberus. The projection then rams into the enemy. Shutoku Issen (Tri Cerberus) (Step 1: Cerberus projection). Shutoku Issen (Tri Cerberus) (Step 2: Ramming at enemy). Shutoku Issen (Tri Cerberus) (Step 3: Impact). Alangina Diablo (アランジーナ・ディアブロー,Aranjīna Diaburō): Espada jumps into the air and performs a lightning-enhanced kick. Alangina Diablo (Step 1: Jumping). Alangina Diablo (Step 2: Channeling lightning energy). Alangina Diablo (Step 3: Flying kick). Alangina Diablo (Step 4: Breaking through the enemy). Alangina Diablo (Step 5: Impact). Alangina Diablo (Step 6: Explosion). Alangina Wonder (アランジーナ・ワンダー,Aranjīna Wandā): Has two variations:By pressing on the Lamp do Alangina Wonder Ride Book, Espada performs a lightning-enhanced slash.By pressing on the Lamp do Alangina Wonder Ride Book, Espada summons an apparition of Lamp do Alangina to assist him. By pressing on the Lamp do Alangina Wonder Ride Book, Espada performs a lightning-enhanced slash. By pressing on the Lamp do Alangina Wonder Ride Book, Espada summons an apparition of Lamp do Alangina to assist him. Alangina Wonder (Version 1) (Step 1: Charging). Alangina Wonder (Version 1) (Step 2: Crescent Moon shaped slash). Alangina Wonder (Version 1) (Step 3: Enlarging slash energy). Alangina Wonder (Version 1) (Step 4: Impact). Alangina Wonder (Version 2) (Step 1: Apparition of Lamp do Alangina). Alangina Wonder (Version 2) (Step 2: Grabbing enemy). Alangina Wonder (Version 2) (Step 3: Raising enemy). Nisatsu Giri + Ikazuchi Iai: Saber makes two powerful slashes, enhanced by fire and electricity, with the Kaenken Rekka and the Raimeiken Ikazuchi. Nisatsu Giri + Ikazuchi Iai (Step 1: Kaenken Rekka's fire-enhanced slash). Nisatsu Giri + Ikazuchi Iai (Step 2: Raimeiken Ikazuchi's electricity-enhanced slash). Gouka Daikakumei/Shinka Ryuuhazan (豪火大革命/神火龍破斬,Gōka Daikakumei/Shinka Ryūhazan, lit. Strong Fire Grand Revolution/God Fire Dragon Breaker Slash)[2]: While invoking the spirit of Kamen Rider Espada, Saber delivers a double cross slash attack enhanced by red flames and yellow lightning. Gouka Daikakumei + Shinka Ryuuhazan (Step 1: Kaenken Rekka and Raimeiken Ikazuchi charging). Gouka Daikakumei + Shinka Ryuuhazan (Step 2: Espada's spirit). Gouka Daikakumei + Shinka Ryuuhazan (Step 3: Cross slash). Gouka Daikakumei + Shinka Ryuuhazan (Step 4: Impact). Bakuen Gurenzan + Hydro Vortex + Trueno del Sol: Saber, Blades and Espada charges their weapons with fire, water and lightning energy, then they delivers a powerful slash to the enemy. Bakuen Gurenzan + Hydro Vortex + Trueno del Sol (Step 1: Charging). Bakuen Gurenzan + Hydro Vortex + Trueno del Sol (Step 2: Elements-enhanced slash). Bakuen Gurenzan + Hydro Vortex + Trueno del Sol (Step 3: Impact). Ginga Dai Bakuhatsu + Leo Blizzard Cascade + Oro Bombardero: Saber, Blades, and Espada leap into the air. A vortex of blue and purple energy flows into Saber's foot, then silver sparkles surround it. Blades is covered with snow, while wings of ice are produced from the Tategami Blazer and a snowflake construct briefly appears before him. Espada's foot is covered with lightning. A bolt of lightning appears between Espada and the enemy before he quickly moves forward along its path and delivers a flying kick. Blades then performs a flying kick while three snowflake constructs surround him, with the snowflakes combining into one larger version when Blades strikes the enemy. Finally, Saber delivers a flying kick that produces a blue and purple energy shockwave. After the three attacks, the enemy's body is covered in purple energy, snow, and lightning, which incapacitates them. Ginga Dai Bakuhatsu + Leo Blizzard Cascade + Oro Bombardero (Step 1: Blue and purple energy, snow, and lightning). Ginga Dai Bakuhatsu + Leo Blizzard Cascade + Oro Bombardero (Step 2: Blades' wings and snowflake). Ginga Dai Bakuhatsu + Leo Blizzard Cascade + Oro Bombardero (Step 3: Flying kicks. Ginga Dai Bakuhatsu + Leo Blizzard Cascade + Oro Bombardero (Step 4: Lightning bolt). Ginga Dai Bakuhatsu + Leo Blizzard Cascade + Oro Bombardero (Step 5: Espada moving along lightning). Ginga Dai Bakuhatsu + Leo Blizzard Cascade + Oro Bombardero (Step 6: Espada's kick). Ginga Dai Bakuhatsu + Leo Blizzard Cascade + Oro Bombardero (Step 7: Blades with snowflakes). Ginga Dai Bakuhatsu + Leo Blizzard Cascade + Oro Bombardero (Step 8: Blades' kick). Ginga Dai Bakuhatsu + Leo Blizzard Cascade + Oro Bombardero (Step 9: Saber's kick). Ginga Dai Bakuhatsu + Leo Blizzard Cascade + Oro Bombardero (Step 10: Enemy covered in energy, snow, and lightning). Wonder World Story of Raimeiken Ikazuchi Wonder Ride Book (ワンダーワールド物語 雷鳴剣黄雷ワンダーライドブック,Wandā Wārudo Monogatari Raimeiken Ikazuchi Wandā Raido Bukku) is based on Raimeiken Ikazuchi.[4]. Transformation Page.
"Arkrise! (terrified screaming and distorted voices) All zero."
―Transformation announcement[src]

A shorter prop version of Raimeiken Ikazuchi is used by actors when performing Espada's transformation sequence.The Raimeiken Ikazuchi is voiced by Akio Otsuka (大塚 明夫,Ōtsuka Akio), who has voiced various characters in Super Sentai, including Hades God Dagon in Mahou Sentai Magiranger and Champ/Oushi Black in Uchu Sentai Kyuranger.

  • Unlike the in-show Raimeiken Ikazuchi which is an entirely new sword, the detachable Raimeiken Ikazuchi Emblem is sold as a standalone unit (in which the Lamp Do Alangina Wonder Ride Book is also included) that attaches itself to the already existing Seiken Swordbody that comes with the DXSeiken Swordriver.[5] By scanning the Raimeiken Ikazuchi Emblem on the Shingan Reader of the Seiken Swordbody, it will announce the corresponded Seiken, which confirms mode changes as well as the changes of lights and sounds akin to those of the Raimeiken Ikazuchi.
  • Kamen Rider SaberChapter 9: Overlap, the Swordsman's Timbre.an episode of Kamen Rider Slash & Buster(stock footage)Chapter 16: Saving the World, A Ray of Light.

(flashback)Chapter 17: The Ancient Messenger, of Either Light or Shadow.

  • (mentioned)Chapter 20: To Destroy the Stronghold, the Will of the Sword.
  • (mentioned)Chapter 21: Shine the Best, Full Color.
  • (flashback)Chapter 29: At That Moment, the Swordsman Made His Move.
  • (flashback)Chapter 37: Change the Future, Who?

(flashback)Special Chapter: The World Pirate is Coming, Intersecting Worlds.Kamen Rider Saber + Kikai Sentai Zenkaiger: Superhero SenkiChapter 41: For 2,000 Years, a Wish Spelled Out.

(flashback)Chapter 43: Clash, the Value of Existence. (flashback)Kamen Rider: Beyond Generations. Chapter 9: Overlap, the Swordsman's Timbre.an episode of Kamen Rider Slash & Buster(stock footage).

an episode of Kamen Rider Slash & Buster(stock footage). Chapter 16: Saving the World, A Ray of Light.

Chapter 17: The Ancient Messenger, of Either Light or Shadow.

  • Chapter 20: To Destroy the Stronghold, the Will of the Sword. Chapter 21: Shine the Best, Full Color. Chapter 29: At That Moment, the Swordsman Made His Move. Chapter 37: Change the Future, Who? Special Chapter: The World Pirate is Coming, Intersecting Worlds. Kamen Rider Saber + Kikai Sentai Zenkaiger: Superhero Senki. Chapter 41: For 2,000 Years, a Wish Spelled Out. Chapter 43: Clash, the Value of Existence. Kamen Rider: Beyond Generations. ↑Cite error: Invalid tag; no text was provided for refs named tvdk. ↑Cite error: Invalid tag; no text was provided for refs named bwb. Thor: Love and Thunder - The Loop. Do you like this video? Gekkou Raimeiken Ikazuchi (月光雷鳴剣黄雷(ゲッコウライメイケンイカヅチ),Gekkō Raimeiken Ikazuchi, lit. "Moonlight Thunderclap Sword Yellow Thunder") is the secondary transformation device and personal weapon of Kamen Rider Espada, who uses it to transform into his final form, Arabiana Night. It is a resonated and evolved version of the Raimeiken Ikazuchi. After Kento Fukamiya's Lamp do Alangina Wonder Ride Book evolved into the Arabiana Night Wonder Ride Book, Raimeiken Ikazuchi evolved into Gekkou Raimeiken Ikazuchi after Kento transformed into Arabiana Night. The Gekkou Raimeiken Ikazuchi is composed of the following parts:. Seiken Swordbody[2] (聖剣ソード本体,Seiken Sōdohontai): The base of the sword. Sword Grip (ソードグリップ,Sōdo Gurippu): The handle. Ikazuchi Trigger (イカヅチトリガー,Ikazuchi Torigā): The trigger. It assists in initializing Rider Finishers. Gekkou Raimeiken Ikazuchi Emblem (月光雷鳴剣黄雷エンブレム,Gekkō Raimeiken Ikazuchi Enburemu, lit.
  • This is the only Seiken that has been evolved from its original state via resonation, to which the other Seiken usually lacked.
  • Kamen Rider Saber.
  • Zero Shoulder Gear (ゼロショルダーギア,Zero Shorudā Gia): The shoulder armor. One miniaturized particle accelerator is mounted on each shoulder. Each group shares the nuclei and electrons, accelerates to sublight speed, and supplies them to the "zero hand gear" of the hand part to form a part of the heavy charged particle cannon.
  • Marchinis Arm (マーキニースアーム,Mākinīsu Āmu): The arms. It possesses the power cable "M string" (Mストリング,M Sutoringu) from the Zero Tector is stretched around like a human nerve, and forcibly controls the arm of Huma Gear from the outside. As a result, it becomes possible to exhibit high motility that exceeds the potential of the human gear placed under control.
  • Zero Hand Gear (ゼロハンドギア,Zero Hando Gia): The gloves. The sharp armor of the fingertips "Spite Nail" (スパイトネイル,Supaito Neiuru) has the function of generating attractive force by partially reversing the barrier deployed from the "Zero Thigh Gear" of the thigh, and strongly adsorbing all objects. Also, the irradiation shaping machine "Beam Equipper" (ビームエクイッパー,Bīmu Ekuippā) is equipped on the palm, and various data such as attach weapons are materialized by modeling beam. In addition, this irradiation port can be used as a part of a heavy charged particle cannon that emits in a beam shape by synthesizing electrons and nuclei supplied from the Zero Shoulder Gear.
  • Zero Thigh Gear (ゼロサイギア,Zero Saigia): The thigh armor. An energy barrier generator "Coulomb Generator" (クーロンジェネレーター,Kūron Jenerētā) is built in and forms a coulomb barrier generated by manipulating electric charges on the armored surface of the whole body. This allows the physical attack to be dispelled by repulsive force.
  • Marchinis Leg (マーキニースレッグ,Mākinīsu Reggu): The legs. The power cable "M-string" of the powered suit "Zero Tector" is stretched around like a human nerve, and forcibly controls the leg of the human gear from the outside. This makes it possible to activate a special move that boasts an astonishing destructive power that exceeds the potential of Huma Gear placed under control.
  • Zero Shin Gear (ゼロシンギア,Zero Shin Gia): The shin armor. The internal energy condenser “Zero Annihilator” (ゼロアナイアレイター,Zero Anaiareitā) has the role of temporarily storing the energy supplied from Arc Driver-Zero when activating a special move, and discharging a large amount of energy at once.
  • Zero Foot Gear (アークゼロヘッド,Zero Futto Gia): The boots. When the Special Move is activated, the anti-annihilation field can be expanded to convert the substance that becomes a resistance or obstacle into energy. This invalidates the physical defenses and at the same time improves the destructive power of the kick.

Kamen Rider Ark-Zero's finisher is the All Extinction (オールエクスティンクション,Ōru Ekusutinkushon):

    • Ark-Zero leaps into the air before channeling red and black energy into his leg and delivering a flying side kick to the opponent.
    • Ark-Zero paralyzes the opponent with malicious kanji before channeling red and black energy into his his leg and delivering a flying kick to the opponent.
    • Ark-Zero raises his arm and forms a large sphere of red and black energy, which he throws at the opponent.
Appearances:Zero-One Episodes 39-40
"Progrise! Connection! (Connection!) Complete! MetsubouJinrai! Quartet with Unified Will!"
―Transformation Announcement[src]

Rider Statistics

  • Rider Height: 205.0 cm
  • Rider Weight: 106.0 kg

Ability Parameters

  • Punching Power: 59.9 t
  • Kicking Power: 120.8 t
  • Maximum Jump Height: 121.1 m
  • Maximum Running Speed: 100 m per 0.6 seconds

Kamen Rider MetsubouJinrai (仮面ライダー滅亡迅雷,Kamen Raidā MetsubōJinrai) is the fusion form of Kamen Riders Horobi, Naki, Jin, and Ikazuchi, accessed when all four members insert Massbrain Zetsumerisekeys into each of their MetsubouJinrai Drivers within Massbrain, with the physical Zetsumerisekey and Driver being worn by Jin. The transformation will then disable all four Humagears and materialize the Rider from their minds.

Due to the nature of the Massbrain Zetsumerisekey, this form is uncontrollable as the fusion creates a singular entity with a unique personality that takes control over the body and quickly suppresses the minds of all four of its users.

This form has two finishers:

  • Massbrain Impact (マスブレインインパクト,Masuburein Inpakuto): Magenta energy wires appear in front of MetsubouJinrai and transfer to their arm, which is then covered in purple energy while a purple wire diagram appears behind them. MetsubouJinrai then delivers a punch to the enemy, with more energy wires appearing upon impact.
  • MetsubouJinrai Impact (滅亡迅雷インパクト,MetsubōJinrai Inpakuto): This finisher has three variations:
    • MetsubouJinrai performs a flying kick covered in purple energy that produces a sonic boom and leaves behind sections of MetsubouJinrai.net's emblem. When the kick strikes the target, the pieces line up, forming the full image.
    • MetsubouJinrai charges their fist with with purple energy before delivering an uppercut to the opponent that produces separated pieces of the MetsubouJinrai.net emblem upon impact
    • MetsubouJinrai leaps into the air and performs a downward flying kick covered in purple energy that produces a sonic boom while the MestibouJinrai.net emblem trails behind them. The kick strikes the enemy's Driver, causing it to crack before breaking apart.
Appearances:Zero-One Others: Kamen Rider MetsubouJinrai, Zero-One Others: Kamen Rider Vulcan & Valkyrie



  • MetsubouJinrai Forceriser - Transformation device.
  • Zetsumerisekeys - Transformation trinkets
  • Progrise Holder - Holders for carrying Progrisekeys. Ikazuchi was once equipped with eight Progrise Holders instead of the usual two.
  • Ark Driver-Zero - Second transformation device as Ark-Zero

Last Appearance

  • Buaruku Sabers - Ikazuchi's personal weapons using the Dodo Zetsumerisekey
  • Attache Shotgun - Secondary weapon, once used by Jin

Kamen Rider Ikazuchi

  • Breaking Mammoth Jet Form - Temporary Vehicle

Becoming Ikazuchi


  • Uchuyaro Subaru: Subaru is Ikazuchi's brother and fellow Astronaut-Type Humagear. Before Ikazuchi's awakening, they both had a very good relationship, with Ikazuchi even ready to risk his 'life' for him. Ikazuchi lost his affection towards Subaru after his original memory was sacrificed, but regained it after his memory's restoration and later help Ikazuchi destroy Ark once for all.

Powers / Skills

  • Hiden Intelligence
    • Aruto Hiden: Ikazuchi was initially upset from Aruto because of his reckless usage of Rise Hopper, but he apparently forgave him. Whenever Ikazuchi operated with his original memory, he tried to help him against the Ark, but was turned against him after corruption. After understanding that Ark had exploited him, he decided to reunite with Subaru and thus helped destroy Ark by using Breaking Mammoth. During the Thinknet incident, he assisted Aruto by personally delivering his Rise Hopper to the latter's location right after being informed by Zea, which shows their relationship on good terms
  • MetsubouJinrai.net
    • Horobi: The leader of MetsubouJinrai.net. It was Horobi who obtained Ikazuchi's Progrisekey from Aruto in order to revive him. After being revived and later leaving the group to destroy Ark, he still maintains a bond to Horobi and his fellow comrades. Especially after Jin was accidentally killed by Aruto controlled by Ark, when questioning Ikazuchi if Subaru died in front of him.
    • Naki: They were both founding members of MetsubouJinrai.net. When Naki was damaged by the arrival of the Ark, Ikazuchi went to their side and helped repair them.
    • Jin: Jin was the one who brought Ikazuchi into his corrupted protocol in the present day. After Ikazuchi was destroyed by Vulcan, Jin was extremely saddened as he made a grave for him and Little Assassin. Ikazuchi's death was also the initial motivation for Jin to destroy humanity. After both Jin and Ikazuchi regained their memories, they together tried to help Aruto in defeating Ark, although this attempt failed.

Progrise Keys

  • Ark: MetsubouJinrai.net's former master.



Uchuyaro Raiden/Ikazuchi is portrayed by Daichi Yamaguchi (山口 大地,Yamaguchi Daichi), who previously portrayed Kimura in Rider Time: Kamen Rider Ryuki. This makes Daichi the first actor in the Kamen Rider Series to performed the roles of two different Riders from different series and eras within the same year. As Kamen Rider Ikazuchi, his suit actor is Hajime Kanzaki (神前 元,Kanzaki Hajime). Kanzaki is also the suit actor for Kamen Rider Ark-Zero under the conditions that Ikazuchi is the one being possessed.


Ikazuchi means "Thunder" (雷,Ikazuchi) and the fourth syllable of MetsubouJinrai. The name reflects Uchuyaro Raiden's catchphrase of "calling down the thunder", as well as Ikazuchi's electrokinetic abilities.

  • Furthermore, the first syllable in Raiden's name is the same kanji for Ikazuchi (雷), which foreshadowed his true nature as a MetsubouJinrai sleeper agent.


Kamen Rider Ikazuchi concept art


  • The name Raiden (雷電) means "thunder and lightning".
    • The first kanji of his name is the fourth character in MetsubouJinrai (滅亡迅雷), foreshadowing his role as their sleeper agent.
    • When read as the Kun'yomi-style "Ikazuchi" (いかづち) like Horobi instead of the On'yomi-style "Rai" (らい), it also becomes the name of his Rider identity.
  • The first two syllables in his & Subaru's last name (Uchu) mean "Space", "Universe" (宇宙), which refers to their jobs as Astronaut-Type Humagears.
  • Both Ikazuchi and Subaru wear the same orange space suits are recycled from the space suits in Kamen Rider Fourze the Movie: Everyone, Space is Here!, with different patches and no belt.
  • Ikazuchi's suit has similar parts from Kamen Rider ZeroZero-One, except with the undersuit of Blood Stalk, additional arm fins from Night Rogue, and a new helmet.
  • Ikazuchi's transformation pose traces a lightning bolt symbol.
  • Ikazuchi using the SpaceComing Fourze Progrisekey in Kamen Rider Battle: Ganbarizing reflects Ikazuchi's occupation as an astronaut, which is also Fourze's motif/theme.
  • Azu's result of Ikazuchi's singularity test is as follows:
    • He stands at 172 cm, making him a little shorter than his actor.
    • His Humagear No. is 0223.
      • The last two digits could be pun on the word "Older Brother": 2 (に,Ni) 3 (さん,San), referencing his relation to Uchuyaro Subaru.
    • His operating system is MBJR003, making him the third member of MetsubouJinrai.net.


  • Kamen Rider Zero-One
    • Episode 14: We Are the Astronaut Brothers!(Debut and first death)
    • Episode 25: I'll Save the Humagears(Flashback)
    • A Miraculous Rematch!? Aruto VS Fukkinhoukai Taro: Fateful Gag Battle!(Flashback)
    • Episode 34: This Is Horobi's Way of Life(Flashback)
    • Episode 35: Do Humagears Have Dreams?(Revival)
    • Kamen Rider Zero-One: President Special
    • Kamen Rider Zero-One: Super Work War
    • Episode 35.5: What Created MetsubouJinrai?
    • Episode 36: I Am the Ark and a Kamen Rider
    • Episode 37: No One Can Stop It
    • Episode 38: I Am 1000% Your Friend
    • Episode 39: The Conclusion Cannot Be Predicted
    • Episode 40: Towards Our Dream
    • Episode 41: Thou, Take Thy Neighbor's Hand!
    • Episode 43: That Is a Heart
    • Episode 44: There Is Only One Person Who Can Stop You
    • Episode 45/Finale: Their Respective Futures
  • Kamen Rider Saber
    • Kamen Rider Saber Prologue(Archive footage)


  1. 1.01.1"TV Asahi's page for Ikazuchi". https://www.tv-asahi.co.jp/zero-one/rider/ikazuchi/stand.html.
  2. 2.02.1"TV Asahi's page for Ark-Zero". https://www.tv-asahi.co.jp/zero-one/rider/ark_zero/stand.html.

First Appearance

Kamen Riders
Aruto Hiden - Isamu Fuwa - Yua Yaiba - Jin - Horobi - Ikazuchi - Naki - Gai Amatsu - Ark - Soreo Hiden - S
Movie-exclusive: Soreo Hiden - S - Behru - Kamen Rider Abaddon - Izu - Lyon Arkland - Kamen Rider MetsubouJinrai (Jin, Horobi, Ikazuchi & Naki)
Stageshow-exclusive: Azu - Little Assassin
Hiden Zero-One Driver - A.I.M.S. Shotriser - MetsubouJinrai Forceriser - Zetsumeriser - ZAIA Thousandriver - Cycloneriser - Raidriser - ZAIA Slashriser - Ark Driver - Hiden Zero-Two Driver - Zetsumetsu Driver - Eden Driver - Abaddoriser - MetsubouJinrai Driver
Progrisekeys - Progrise Holder - Progrisekey Connector - Hiden Risephone - Rider Models
Attache Calibur - Attache Shotgun - Attache Arrow - Breaking Mammoth - Giger - Buaruku Sabers - Authorise Buster - Assault Grip - Thousand Jacker - Progrise Hopper Blade - ZAIA Spec - Knuckle Demolition - Nihon Ookaminotsume - Claw Assault - Horobi's Katana
Hiden Intelligence: Korenosuke Hiden - Soreo Hiden - Jun Fukuzoe - Sanzo Yamashita
Humagears: Izu - Shesta - Soreo Hiden - Wazu Nazotoku - Subaru - Hakase Bot - Fukkinhoukai Jiro - Rin
Legend Riders: Sougo Tokiwa - Geiz Myokoin - Woz - Tsukuyomi - Kuroto Dan - Masamune Dan
Humans: Norio Uozumi - Go Sakurai - Satoshi Sakurai - Choichiro Ishizumi - Seiji Tazawa - Satō - Yuta Yomura - Isao - Shinya Owada - Ikkei Amatsu - Akane Tono
Humagears: Mageana - Ikkan Nigiro - Anna - Mashirochan - Dr. Omigoto - Z #5 - Delmo - Love-chan - Midori
A.I.s: Zea - Zat - Ai-chan - Thouser
Ark - Horobi - Naki - Jin - Ikazuchi - Little Assassin - Azu
Monsters: Berotha Magia - Kuehne Magia - Ekal Magia - Neohi Magia - Onycho Magia - Vicarya Magia - Gaeru Magia - Mammoth Magia - Dodo Magia - Arsino Magia
Footsoldiers: Trilobite Magia - Dodo Magia Chick - Battle Magia
Other Villains
Finis - Will
ZAIA Japan
Gai Amatsu - Williamson Yotagaki
ZAIA Spec Representatives: Rentaro Tachibana - Tatsumi Arayashiki - Naoto Ichimori - Takeshi Homura - Masamitsu Yuto
Other: Daiki Kyogoku - Makio Nodachi
A.I.M.S.: Isamu Fuwa - Yua Yaiba - Naki - Eida - Ono - Degawa - Shida - Eifuku - Ito
Monsters: Crushing Buffalo Raider - Splashing Whale Raider - Dynamaiting Lion Raider - Storming Penguin Raider - Scouting Panda Raider - Fighting Jackal Raider
Footsoldiers: Invading Horseshoe Crab Raiders
ZAIA Enterprise (U.S.A.)
Lyon Arkland - Sold9 - Sold20 - Sold404
Monsters: Dire Wolf Sold Magia - Serval Tiger Sold Magia - Crushing Buffalo Sold Magia - Splashing Whale Sold Magia - Storming Penguin Sold Magia - Scouting Panda Sold Magia - Invading Horseshoe Crab Sold Magia
Footsoldiers: Solds
S - Behru - Buga - Mua - Lugo
Footsoldiers: Kamen Rider Abaddon