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Takeshi Hongo, welcome... to Shocker!
~ The Great Leader of Shocker's first words spoken to Takeshi Hongo/Kamen Rider 1.

The Great Leader of Shocker is the overarching antagonist of the entire Kamen Rider franchise, first appearing as primary antagonist of the original 1971 Kamen Rider series, as well as the Showa continuity of Kamen Rider as a whole. He is a mysterious entity who is force behind nearly every evil organization the Kamen Riders have faced. His ultimate goal is to conquer the world and convert the entire human race into kaijin, uniting the world as one being.

Following his original defeat, later incarnations of him would go on to serve as the main antagonists of several other Showa Kamen Rider series. He eventually returns as the main antagonist of the crossover film, Let's Go Kamen Riders and the film Super Hero Taisen GP: Kamen Rider 3.

He was originally voiced by the late Gorō Naya in most of his appearance and incarnations, and is currently voiced by Tomokazu Seki, who also voiced Rob Lucci in One Piece and Gilgamesh in Fate: Type-Moon franchise.


Kamen Rider

Shocker Logo

The Great Leader giving orders to his subordinates.

He initially issued orders to his subordinates via speakers on Shocker's bases. After the two Kamen Riders, Hongo and Ichimonji, eliminated Colonel Zol, Doctor Shinigami and Ambassador Hell, several of Shocker's important members, the Great Leader allyed with General Black of Geldam and merged the two organizations to create Gel-Shocker.

Believing that the old members of Shocker were unfit for Gel-Shocker, the Great Leader had them executed, with Shocker's secret bases being self-destructed and the remaining Shocker soldiers killed. The Double Riders defeated Gel-Shocker's, including General Black, and located Gel-Shocker's headquarters, finally confronting the Great Leader himself. The two riders pulled off the Great Leader's hood revealing his snake mask. Pulling that off revealed his true Cycloptic face. The Great Leader set off the headquarters' self-destruct system hoping to kill the Kamen Riders, but the two riders were able to escape, leaving him to be killed as the base exploded and finally destroying Shocker. This was not the end of the Great Leader however.


Shortly after, the Great Leader resurfaced as the Great Leader of Destron. In response, the Double Riders created the third Kamen Rider, V3, from Shiro Kazami, a man whose family was killed by Destron. The Great Leader founded more terrorist organizations to conquer the world, but this only resulted in the creation of more Kamen Riders.

His last incarnation to appear in the Showa series was the Generalissimo of the Badan Empire, who made appeared to the ten veteran Kamen Riders after Ambassador Darkness's death.

The Great Leader may have also been the Grand Lord Crisis of the Crisis Empire, as they share the same voice actor.

OOO, Den-O, All Riders: Let's Go Kamen Riders

The Great Leader makes a return in the movie OOO, Den-O, All Riders: Let's Go Kamen Riders, serving as the film's main antagonist. During a small conflict between the characters of Kamen Riders OOO and Den-O during their time travel in Japan during the 1970s while hunting the Imagins, General Black discovered a Cell Medal that was accidentally dropped by Ankh during the conflict and gave it to the Great Leader. The Great Leader combined it with the Shocker medal, creating Shocker's most powerful kaijin, Shocker Greeed. Shocker Greeed later defeated both Hongo and Ichimonji, allowing Shocker to create an alternate timeline where the conquered the world. Various evil organizations that had existed in the normal timeline were annexed into Shocker, with their highest members serving as part of Shocker's high council. Shocker also brainwashed Hongo and Ichimonji to become members of the organization.

OOO and Den-O returned to 1970s Japan in hopes of stopping Shocker Greeed from being created and returning the timeline back to normal. The Great Leader was confronted by the Riders, but was able to create Shocker Greeed and the kaijin manage to take down the Riders. Having failed to restore the timeline and the DenLiner destroyed, the Riders retreated back to the Shocker-ruled future and decided to confront Shocker, but were overwhelmed by the various kaijin forces. As the Riders were about to be publically executed, Hongo and Ichimonji (having been faking their brainwashing in order to wait for the right time to fight Shocker) summoned all of the other Riders and were able to defeat the kaijin army.
Rock Leader

Great Rock Leader

The Double Riders have a rematch with Shocker Greeed while the other Riders rushed toward Great Leader. Shocker Greeed is destroyed by the Rider Double Kick before Ankh takes the Shocker Medal. When the Riders are overpowered by Great Leader's attacks, Ankh convinces OOO to use the Shocker Medal and an Imagin Medal from Momotaros in combination with the Taka Medal. With the three Medals, OOO changes into Tamashii Combo and destroys Great Leader with the Tamashii Bomber. However, the attack unleashes Great Leader Colossus - the true form of Great Leader, who throws fireballs at the Riders and consumes the other Shocker leaders in a violent earthquake. The Riders are joined by Kamen Rider Birth and all of the extra Riders to battle the new menace. All of the Riders jump into their motorcycles to execute the All Rider Break, destroying Great Leader Colossus once and for all.

Super Hero Taisen GP: Kamen Rider 3


The Great Leader of Shocker in 2015

However, the Great Leader's spirit managed to survive and possessed the History-Modifying Machine, using it to send Kamen Rider 3 back in time to defeat the Double Riders, allowing Shocker to achieve its domination of the world. He later absorbed Kamen Rider 3 into the machine to power it, shifting it into the Rider Robo to destroy the Kamen Riders. He was finally destroyed when Kamen Rider Drive's Tridoron combined with the Ninningers' mech Shurikenjin and they used their combined power to defeat him.

Kamen Rider Decade

For the more information on the Great Leader's Decade Incarnation, see here.

Great Leader of Dai Shocker

In the Heisei period film Kamen Rider Decade: All Riders vs. Dai-Shocker, Tsukasa Kadoya / Kamen Rider Decade was the Great Leader of Dai-Shocker, before he was overthrown by Shadow Moon. Tsukasa later became Great Leader again during the events of Kamen Rider × Super Sentai: Super Hero Taisen, before revealing that he was actually working to sabotage Dai-Shocker's Big Machine operation.

Other Appearances

Kamen Rider (manga)

The Great Leader in this manga appears as a cyborg named Big Machine, who was capable of easily fighting off the Kamen Riders. He is the mastermind behind Shocker's October Project, which involved brainwashing the Japan using a super computer.

Big Machine's design was used as the basis for Ambassador Hell's design in the 1971 TV series, but was modified to have room for a face.

Have you seen the Kamen Rider?

In the alternate manga retelling of Kamen Rider, the Great Leader is depicted as a young child wearing an Eye of Providence pendant around his neck. Shocker in this manga is also shown to have been formed from the Freemasons, as opposed to the Nazis in the manga and TV series.

From Here to Eternity

The Great Leader appears as the main character of the Kamen Rider S.I.C. Hero Saga, which explores a possible origin for him. In it, the Great Leader explains that he was once a consul from a civilization in the Dark Nebula B-26 who was banished to Earth for an unknown reason. Finding Earth's lifeforms boring, the Great Leader modified the DNA of the Australopithecus afarensis to make them evolve into humans. Later on, the Great Leader created both Kamen Rider and Shocker to watch them fight each other for his own amusement.

Super Famicom Game

The Great Leader serves as the final boss for the Kamen Rider video game for the Super Famicom, simply titled "Kamen Rider". In it he assumes his true form Death Paneater to fight the Kamen Riders.

Super Hero Taisen Otsu

The Great Leader appears in episode 5 of the series of comedic net movies in a scenario imagined by Kamen Rider Double. In it, he appears as a bamboo stick seller and attempts to sell one to Kamen Rider Nadeshiko to acquire funds for his organization. After Nadeshiko complains about the price being 58,000 yen, the Great Leader scolds her and threatens to sue her for not buying it since he went to the work of sawing it off.


The Great Leader wears a red robe with a KKK-esque hood and a medallion with the Shocker logo in the center. Under his hood are Medusa-like snakes that cover his true cyclops head.

Powers and Abilities

Great Leader's primary ability is summoning gas from his body to knock out his foes. and whilst he never did this in the original series, in the Let's Go, Kamen Rider movie, he could use the snake heads as tendrils coming from his head and shoot fireballs from the snake's mouths.

Also in that film, he became his greatest form, the Great Rock Leader, one of the largest entities in both Kamen Rider and Super Sentai (one of the closest is Black Cross Fuhrer).

The Great Leader is also seemingly unkillable, as any time he is defeated or destroyed, he returns in a new form or resurfaces to antagonize the Riders regardless if he was defeated before. (Usually by time travel or distortions in space/time)


  • The Great Leader bears some similarities to Demise as both have more than one incarnation and are known to be "hijacking the story" though the former has more incarnations than the later.
  • The Great Leader's seemingly immortal presence has vaguely been explained and has multiple variations:
    • The Kamen Rider co-creator Toru Hirayama stated in an interview in the Uchûsen Book Collection Special Edition that the Great Leader was once a monk named Chan Mao who discovered the secret of transcending death. This led him to be detached from humanity and eventually drove him to lose his own, as he became an evil demigod-like figure who wanted to rule the world.
    • The series Kamen Rider Stronger contradicted this by showing that the Great Leader was in fact an alien cycloptic brain. This was again contradicted when it was revealed in Skyrider that the Great Leader was a giant dragon.
    • In the Manga Kamen Rider Spirits, he is called JUDO and is an Eldricth Monster who seeks to inhabit a vessel in the form of a cyborg human body.
    • The last explanation is a speculative one by fans based on a line from Kamen Rider Black RX, "As long as Humanity's evil exists, there will be a new Crisis Empire! And I will return to lead it!". This could mean that the Great Leader somehow uses the human race's own evil and hatred to sustain and regenerate himself.
  • The Great Leader's voice actor Gorō Naya also voices one of the Wirepullers of Smart Brain in the movie Kamen Rider 555: Paradise Lost, hinting that he may be one of them and may be behind Smart Brain as well.


           TOS Logo Villains

Great Leader of Shocker | Colonel Zol | Dr. Shinigami | Ambassador Hell | Shocker Combatmen
Shocker Kaijin: Spider Man | Bat Man | Scorpion Man | Sarracenian | Mantis Man | Grimreaper Chameleon | Bee Woman | Cobra Man | Gebacondor | Yamogeras | Tokageron | Saboteguron | Phirasaurus | Hitodanger | Kanibubbler | Dokugandar | Amazonia | Musasabeedle | Kinokomorgu
Colonel Zol's Kaijin: Antlion Thunder | Mukaderas | Mogurang | Kuragedarl | Zanburonzo | Arigabari | Dokudahlian | Armadillong | Gamagirah | Arikimedes | Egyptus | Torikabuto | Eiking | Wolf Man |
Doctor Shinigami's Kaijin: Snoweman | Ghoster | Fly Man | Pranodon | Kabibinga | Namekujira | Bearkonger | Todogirah | Hiruguerrilla | Isoginchak | Kamestone | Unicornos | Gilgalass | Namazugiller | Saigang | Zanjioh
Ambassador Hell's Kaijin: Jaguarman | Sea Snake Man | Cockroach Man | Gireera | Dokumondo | Poison Lizard Man | Earthworm Man | Owl Man | Harinezuras | Semiminga | Kabutorong | Kamikirikid | Girizames | Gillerkorogi | Elekibotaru | Abugomens | Mosquiras | Shiomaneking | Shiracuras | Bararanga | Seadragons | Imoriges | Unidogma

General Black | Ganikomol

Great Leader of Gel-Shocker | General Black | Shocker Riders | Doctor D | Gel-Shocker Combatmen
Gel-Shocker Kaijin: Sasoritokages | Kuragewolf | Inokabuton | Isoginjaguar | Utsubogames | Washikamagiri | Kumolion | Nekoyamori | Canarycobra | Nezucondor | Mukadetiger | Haetoribachi | Eidokugar | Namekujikinoko | Garaox | Sabotenbat

           OOO Logo Villains

Ankh | Uva | Kazari | Gamel | Mezool | Ankh (Lost)

Ankh: Hagetaka Yummy
Uva: Cockroach Yummy | Kamakiri Yummy | Otoshibumi Yummy | Ageha Yummy | Kabuto Yummy | Kuwagata Yummy | Batta Yummy | Kuro Ageha Yummy
Kazari: Lion Yummy | Neko Yummy | Siam-Neko Yummy | Lion-Kurage Yummy | Ei-Sai Yummy | Small Ei Yummy | Itomakiei Yummy | Ika-Jaguar Yummy | Shachi-Panda Yummy
Gamel: Bison Yummy | Rikugame Yummy | Uni-Armadillo Yummy
Ankh (Lost): Red Ōmu Yummy | Blue Ōmu Yummy | Fukurō Yummy | Shamo Yummy

Giru | King | Kiyoto Maki

Great Leader of Shocker
Shocker Council: General Black | Llumu Qhimil | King Dark | Apollo Geist | General Shadow | High Priest Darom | Shadow Moon | General Jark | N-Gamio-Zeda | El of the Water | Kerberos | Albinoleo Imagin | Terror Dopant
Kaijin: Shocker Greeed | Zanjioh | Shiomaneking | Ikadevil | Garagaranda | Poison Lizard Man | Jaguarman | Ganikomol | Turtle Bazooka | Tiger-Roid | KomaThunder | Schwarian | Neo Organism | Garai | Ra-Dorudo-Gu | Zu-Gooma-Gu | Zu-Zain-Da | Me-Garima-Ba | Pantheras Luteus | Cetos Orcinus | GuldThunder | Metalgelas | Volcancer | Deadlemur | Lobster Orphnoch | Elephant Orphnoch | Stag Beetle Orphnoch | Octopus Orphnoch | Tiger Orphnoch | Eagle Undead | Serpent Undead | Tiger Undead | Giraffa Undead | Paradoxa Undead | Douji and Hime of Bakegani | Scorpio Worm | Sectio Worm | Cammarus Worm | Subst Worm | Owl Imagin | Scorpion Imagin | Oct Imagin | Mantis Imagin | Lion Fangire | Crab Fangire | Octopus Fangire | Utopia Dopant | T-Rex Dopant | Triceratops Dopant | Beast Dopant | Hopper Dopant
Footsoldiers: Shocker Combatmen

           Super Hero Taisen Villains

Shocker-Zangyack Alliance
Leader: Narutaki/Doktor G
Commanders: Apollo Geist | General Shadow | General Jark | General Black | Shadow Moon | Doras | N-Daguva-Zeba | El of the Ground | Orphnoch King | Joker Undead | Nurikabe | Gryllus Worm | Bat Fangire | Alligator Imagin | Llumu Qhimil | Weather Dopant | Mezool
Kaijin: Scorpion Man | Ghoster | Isoginjaguar | KomaThunder | Tiger-Roid | Cyborg Soldier Level 2 | Go-Gadoru-Ba | Go-Baberu-Da | Me-Garima-Ba | Go-Jaaza-Gi | Pantheras Luteus | Stellio Dextera | Brobajell | GuldMirage | Armadillo Orphnoch | Rhinoceros Beetle Orphnoch | Shell Undead | Tortoise Undead | Kasha | Musca Worm | Gecko Imagin | Bat Imagin | Mole Imagin | Medusa Legendorga | Warthog Fangire | Taurus Ballista | Cockroach Dopant | Spider Dopant | Kuwagata Yummy | Uni-Armadillo Yummy
Footsoldiers: Shocker Combatmen | Destron Combatmen | Dogma Fighters

Leader: Rider Hunter Silva
Commanders: Black Cross King | Hades God Cyclops | Hades God Drake | Hades God Sleipnir | Hades God Dagon | Yaiba of Darkness | Gai | Rei | Sea Fist Demon Rageku | Sanyo | Suugu | Long | Miranda | Rairaiken | Yogoshimacritein | Pollution President Batcheed | Doukoku Chimatsuri | Dereputa of the Meteor | Mons Drake of the Planet | Brajira of the Messiah | Deratsueigar | Zatsurig | Warz Gill | Ackdos Gill
Monsters: Shikabanen | Zodomas | Buramudo | Nanonanoda | Bowser | Yokubarido | Stargull | Almadon | Uorlian | Daiyarl | Shieldon | Vannain | Namono-Gatari of the Ortaurus Headder | Bari-Boru-Dara of the Uniberus Headder | Rō-O-Zā-Ri of the Hydrapan Headder | Chinomanako | Nunchaku Banki
Footsoldiers: Gormin | Sugormin | Dogormin

Demon King Psycho's Army
Space Shocker
Leader: Shadow Moon
Commanders: Space Ikadevil | Space Spider Man
Kaijin: Scorpion Man | Saboteguron | Ghoster | Zanjioh | Jaguarman | Girizames | Schwarian | Zu-Zain-Da | Sonorabuma | Buzzstinger Wasp | Arch Orphnoch | Tortoise Undead | Gecko Imagin | Pearlshell Fangire (Blue) | Bat Fangire | Beetle Fangire | Bat Dopant | Beast Dopant | Pteranodon Yummy | Kamakiri Yummy | Ika-Jaguar Yummy | Musca Zodiarts | Scorpion Zodiarts | Sagittarius Zodiarts | Skydain | Groundain
Footsoldiers: Shocker Combatmen | Chaps

Army of Resurrected
Leaders: Demon King Psycho | Space Reider
Members: Rhino Doubler | Lizard Doubler | Zan Vardo | Karateloid | Bulldozerloid | Parabolaloid 2 | Chief of Staff Damaras | Development Technical Officer Insarn | Dyrandoh | Stargull | Sneak Brothers | Dogormin | Doukoku Chimatsuri | Dayu Usukawa | Chinomanako | Nunchaku Banki | Long | Sanyo | Suugu | Sea Fist Demon Rageku | Furious Demon God Gai | Grand Beast Rei | Agent Abrella

Badan Empire
Leader: Generalissimo of Badan
Commanders: Ambassador Darkness | Kamen Rider Fifteen | Llumu Qhimil | General Shadow | High Priest Baraom | General Jark
Kaijin: Scorpion Man | Saboteguron | Ghoster | Zanjioh | Shiomaneking | Poison Lizard Man | Jaguarman | Girizames | Hiruchameleon | Ganikomol | Turtle Bazooka | Marshal Machine | Sword Master Birugenia | Schwarian | Doras | Garai | Suddendas | Bird Dopant | Kamakiri Yummy | Ika-Jaguar Yummy | Shocker Greeed | Chameleon Zodiarts | Libra Zodiarts | Arachne
Footsoldiers: Shocker Combatmen | Destron Combatmen | Combat-Roids | Chaps
Allies: General Schwarz

2015 Shocker
Leader: Great Leader of Shocker
Commanders: General Black | General Shadow | Marshal Machine | High Priest Darom | General Jark | Super Galaxy King | Schwarian | N-Gamio-Zeda | Lobster Orphnoch | Weather Dopant | Sagittarius Nova | Phoenix | Demushu | Roidmude 089
Kaijin: Garagaranda | Cheetahkatsumeri | Zanjioh | Shiomaneking | Poison Lizard Man | Poison Lizard Man | Girizames | Turtle Bazooka | Roidmude 057 | Roidmude 016 | Roidmude 076
Footsoldiers: Shocker Combatmen