Main characters
Kotaro Minami
is a 19-year-old man who became a mutant cyborg after the Gorgom captured him and his stepbrother Nobuhiko. Both are kidnapped for the sake of having them compete for the right of succeeding the Creation King and command Gorgom to rule the world, but just as his memories were about to be erased, Kotaro manages to escape. Since then, using the power of the Vital Charger belt and the King Stone of the Sun, he transforms into Kamen Rider Black to stop Gorgom and attempt to rescue Nobuhiko from them. He is referred by Gorgom as "Black Sun". As Kamen Rider Black, Kotaro fights barehanded using Rider Punches and Kicks to finish his enemies, although he once wields Shadow Moon's weapon, the Satan Saber, for his final battle against the Creation King. He also uses two motorcycles during the series: *: A living motorcycle created by Gorgom, made specifically for the next Creation King. Used by Black during the series, it is temporarily hijacked by Shadow Moon once he is chosen by the Creation King as his true successor, but is destroyed by him once it manages to break free of his control and rejoin Black's side. It is later revived as Acrobatter when Kotaro evolves into Black RX. *: Black's secondary motorcycle originally created by Yoichi Daimon for Gorgom before he defects from the organization. Yoichi's son Akira Daimon lends it to Kotaro until the end of his fight against Gorgom. During the events of ''Black RX'', Kotaro lives with the Sahara Family and is captured by the Crisis Empire who ask him to join their side. When Kotaro refuses, they shatter his King Stone into two pieces, thus rendering him unable to transform into Kamen Rider Black. They throw him into outer space, where the sun's radiation mutated his King Stone, allowing him to evolve into Kamen Rider Black RX to fight the Crisis Empire and the Strange Demon Soldiers. As Kamen Rider Black RX, Kotaro is armed with the rapier, which allows him to perform the finisher. During the series, he gains two additional forms: *: Black RX's bulkier form that is also known as the , with increased strength and resistance at the cost of reduced mobility. In this form, he is armed with the pistol, which allows him to perform the finisher. *: Black RX's sleeker form that is also known as the , with increased speed at the cost of reduced resistance. In this form, he is armed with the sword, which allows him to perform the finisher. Like his previous form, Black RX has two different vehicles at his disposal: *: Battle Hopper's upgraded form, created once Kotaro evolves from Black to Black RX which subsequently triggers its resurrection. Unlike its previous form, it is capable of speaking with its owner. Like Black RX, it can assume two different forms: , piloted by Robo Rider, and , piloted by Bio Rider. *: A car created by Kotaro using some blueprints given to him by Prof. Walter, a scientist in one of the colonies the Crisis Empire set up. It is also the first car used as a vehicle by a Kamen Rider and was the sole exception until '' Kamen Rider Drive'' 25 years later. Kotaro Minami is portrayed by .Nobuhiko Akizuki
was born on the day of a solar eclipse alongside his stepbrotherBlack characters
Kyoko Akizuki
is Nobuhiko's younger sister, targeted a number of times by the High Priests as her life force could awaken Shadow Moon. At first she was not aware of Kotaro being Black himself until his fight to save her from the clutches of Bilgenia. Once Nobuhiko emerges as Shadow Moon, she and Katsumi are terrified of his new appearance as she eagerly refuses his offer to join him in making a new world without violence. After the defeat of Black at the hands of Shadow Moon, she and Katsumi left Japan to start a new life abroad. However, when Katsumi heard the news about Black's revival, Kyoko attempts to return to Japan to see Kotaro again. Kyoko Akizuki is portrayed by .Katsumi Kida
is Nobuhiko's girlfriend, like Kyoko she is not aware of Kotaro being Black himself until Kyoko tells her the truth about Kotaro. Once Nobuhiko emerges as Shadow Moon, she was also terrified of his new appearance. After the defeat of Black at the hands of Shadow Moon, she and Kyoko left Japan to start a new life abroad. Katsumi Kida is portrayed by .Soichiro Akizuki
is an archaeologist and friend of Kotaro's father. Soichiro joined Gorgom to financially support his archaeological projects. He is the father of Nobuhiko and Kyoko and became the foster father of Kotaro when his parents were killed by Gorgom through an accident. He was assassinated by Gorgom for disobeying their orders, for he realized that they were an organization of evil. Soichiro Akizuki is portrayed by Kantaro Suga.Yoichi Daimon
is a scientist who was recruited by Gorgom to create Road Sector before the High Priests gave orders for mass production for their plans of world conquest. Convinced that the bike should not used for evil means, he hid it in a safe place. When Gorgom discovered it, they sent the Kōmori Mutant to kill him and Hotaru, wife of his son Akira Daimon. Akira hid in the mountains and trained his son Kenichi on how to ride a motorbike in order to master Road Sector. Akira gave possession of Road Sector to Black to use for the good of mankind after he defeated the Kamikiri Mutant and saved Kenichi from Baraom and the Bat Mutant.Masaru Todo
is Kotaro's senior at the university who owns the Capitola bar shop where Kyoko and Katsumi work part-time. Masaru Todo is portrayed by .Ryusuke Taki
is a Special Agent from America who helped Kotaro in bad situations. He had been Nobuhiko's senior in soccer and taught him a technique called the Dragon Shot. Kotaro would learn this technique later on as well and use it as Black. He is aware of Kotaro's identity as Black. guest stars as Ryusuke Taki in episodes 16 & 30.Kujira Mutant
is a whale Mutant able to emit sticky foam from his blowhole and use a sonic attack. Unlike the others members of Gorgom, the Kujira Mutant was concerned for the oceans after overhearing Baraom and Darom talking about Gorgom's rise to power and that they might pollute the oceans, so he rebelled as a result. Recruited by Baraom to defeat Black, the Kujira Mutant overpowered Black when Baraom arrived to take his King Stone. But learning the Mutant's intent, Baraom attempted to kill the Mutant along with Black. As a result, the Kujira Mutant became an ally of Kamen Rider Black before retreating into the sea. Upon learning of Black's defeat, the Kujira Mutant searched the ocean and found his body, using a revival ceremony of his clan within his cave home to bring him back to life. Darom and the Komori Mutant then went after the Kujira Mutant until Kotaro revived and came to his aid. However, the Kujira Mutant was forced to turn himself in to Gorgom to save a child's life. Darom used him as bait for Black, only for the Kujira Mutant to help Black defeat Darom. Though still wounded from the Kōmori Mutant's attack, the Kujira Mutant guides Black to the cave that is Gorgom's Shrine before being attacked by the Togeuo Mutant. Kotaro catches up as the Togeuo Mutant starts to overwhelm Kujira Mutant but is forced to the Creation King's palace with the Kujira Mutant telling Black to protect the oceans before he died. The Kujira Mutant's cave would later serve to give life to Rideron before it caved in as a result. Kujira Mutant is voiced by .RX characters
Reiko Shiratori
is Kotaro's girlfriend who is a photographer, helping him before and after learning he is Black RX. After learning that Kotaro is Black RX, she begins to train herself in order fight Crisis' minions. Reiko Shiratori is portrayed by , or Jun Koyamaki, who previously portrayed Diana Lady in Jikuu Senshi Spielban alongside fellow JAC actor Hiroshi Watari, who portrayed Yousuke Jou/Spielban.Sahara Family
are the ones who took in Kotaro and gave him a job in their helicopter business Sahara Airlines. and are the parents who are always arguing with each other, is their son, and is their daughter. The parents are murdered by Jark Midla in episode 46. Shigeru is the first person in the series to know that Kotaro is Black RX. , , , and portray Shunkichi, Utako, Shigeru, and Hitomi respectively.Joe the Haze
is a master of the fighting style . He is one of Kotaro's closest friends and considered just as close as he was to Nobuhiko. Joe was originally a human from Earth who willingly allowed the Crisis Empire to convert him into a cyborg, losing all memory of his past and actual name. Under the control of Necksticker, Joe attacked Kotaro during his attempt to save Hitomi, becoming his ally once he regained his mind. He ended up injured by Bosgan during RX's fight with Gynagingam. He soon recovered and came back to help Kotaro. Joe the Haze is portrayed by .Kyoko Matoba
is an ESP girl who is skilled with a bow and can manipulate ground water. Her parents were murdered by the Crisis Empire monster Mundayganday, helping RX fight the Crisis Empire. Before specifically manipulating water, she was able to control all sorts of things in nature such as plants and rocks. Kyoko Matoba is portrayed by .Goro
is a chef who works at Sahara Airlines. Goro is portrayed by , the son of Kamen Rider Series creator Shotaro Ishinomori.Hayato Hayamizu
is an inspector who pursues Kotaro, believing he's a troublemaker. He was last seen knocked unconscious by Maribaron when she uses him to arrest Kotaro for her. Hayato Hayamizu is portrayed by .Ten veteran Kamen Riders
The original are composed of Kamen Riders 1 to ZX. They help Black RX in defeating the Crisis Empire. They appear at their base in the Arizona Desert in episodes 41-43 and help RX in episodes 44-47. The appearance of the previous 10 Kamen Riders in the last 7 episodes of the series was their last in the franchise history, up until '' Kamen Rider Decade: All Riders vs. Dai-Shocker'', not counting the remake versions of #1, #2 and V3 in recent movies '' Kamen Rider The First'' and '' Kamen Rider The Next''.Antagonists
Gorgom
The main villains from ''Kamen Rider Black'', is a criminal cult group primarily based in Japan. Members of Gorgom consist of both human and non-humans. The group is notorious for its terrorist activities in the name of world domination. In the series reboot, ''Kamen Rider Black Sun'', the was originally a minority movement during the 70s that sought for their fellow Kaijins to have the right to exist, before ending up a shadowy influential institution in bed with corrupt government officials while seeking the continued existence of the Kaijins.Creation King
The is the almost omnipotent leader of Gorgom. He appears as a giant evil heart that communicates with the High Priests and the two Century Kings via telepathy. The Creation King also had monstrous strength that could destroy the entire universe. The Creation King pulled Kamen Rider Black away from where the Stickleback Mutant was attacking Whale Mutant. He made itself known to Kamen Rider Black and Shadow Moon. The Creation King then transported Black and Shadow Moon to the battle field to determine who will become his successor. After Shadow Moon was ultimately defeated, Black confronted the Creation King who threatened him to take the Kingstone from Shadow Moon's body unless he wants the Creation King to jump into the hole he created to lead him to the Earth's core and destroy it from within. The Creation King was killed by Black when the Satan Saber was stabbed into him. In the series reboot, ''Kamen Rider Black Sun'', the Creation King was originally a large Kamen Rider-like giant that was a product of Imperial Japan’s superhuman experiments to create living weapons for military application. The Century King’s bodily fluids are used to both prolong Kaijin lives while converting humans into Kaijins, resulting in him being revered as a living deity. At the start of the series, the Creation King was dying before Kotaro rips out his heart in an attempt to kill the monster. However, the Creation King’s heart survives before turning Kotaro into its host prior to being killed for good by Aoi Izumi. The Creation King is voiced in the original series by .High Priests
The are second only to the Creation King, and they carry out his will. Upon their sacrificing their Stones to revive Shadow Moon, the dying High Priests undergo a transformation into new physical forms called the , reborn as Shadow Moon's emissaries. Setting up for his final battle with Kotaro, Shadow Moon sends the Grand Mutants to attack the city, overpowering the police as everyone runs out of Tokyo. Kotaro arrives to fight them all before they fallback, telling Kotaro he cannot stop the rise of Gorgom. Eventually, the three are killed off one by one. In the series reboot, ''Kamen Rider Black Sun'', the High Priests are leading members of the Gorgom Party who were forced to associate themselves with corrupt government officials for the sake of their race. But the group ceases to be with Darom and Baraom killed while Bishium survived and formed an alliance with the new prime minister Isao Nimura.=Darom
= is the leader of the High Priests, having a pale ancient face and able to manipulate others by pointing at them. After sacrificing his "Stone of Heaven" to revive Shadow Moon, Darom is reborn as , a trilobite-like creature. In this form, he can discharge laser beams from his fingers and use his feelers like ropes. Following Baraom and Bishium's death, Darom attacked the ex-Shonen Warriors until Kotaro arrives and fights Darom until Shadow Moon arrives, killing Black and sending Darom to find his corpse to obtain the King Stone. Darom finds the Kujira Mutant's cave and learns that Kotaro had been revived. Darom and the Komori Mutant then had some Gorgom worshippers capture the Kujira Mutant as bait for Kotaro. After Black threw himself in front of the Kujira Mutant, he then used his King Stone Flash to deflect Darom's attack before killing him with the Rider Kick. Darom is voiced by .=Baraom
= is one of the High Priests and has a stone-like green face. Baraom can discharge deadly laser beams from his robotic hands. He is usually in charge of the deployment of Gorgom's Mutants. After sacrificing his "Stone of Ocean" to revive Shadow Moon, Baraom is reborn as , a smilodon-like creature with tusks. In this form, Baraom can wield tusk-shaped weapons along with his natural abilities. After Bishium's destruction, Baraom trained himself to avenge her and even got the Kujira Mutant to help him. Baraom started to use his superhuman speed to overwhelm Black before the Kujira Mutant betrays him. Before succumbing to the Rider Kick, Baraom mentions that Shadow Moon will finish him off. Baraom is voiced by .=Bishium
= is a High Priestess having her face is divided between black and white, and a clear film covers most of her face. She can discharge laser beams from her eyes. After sacrificing her "Stone of Earth" to revive Shadow Moon, Bishium is reborn as , a white-haired pterosaur-like creature. In this form, she still has her usual powers and she can spin around to create twisters. When it came to the final confrontation with Black, she tried to get the King Stone from Kotaro by taking control of the mothers and capturing Kyoko. In the conflict, Bishium held Black so that Shadow Moon can shoot a beam that will rip out Kotaro's King Stone. It failed as Bishium is destroyed by that beam. Bishium is portrayed by .Bilgenia
is the legendary warrior among the Gorgom clad in aMara and Kara
The Handmaiden Mutants were created by Shadow Moon and are high ranks than the Three High Priests, consists of the silvery and the golden . Both handmaidens died during the collapse of Gorgom's base.Human Members
Gorgom allows any humans to join them, making them appealing offers that include being made into Kaijins as they can live for 5,000 years. In the series reboot, ''Kamen Rider Black Sun'', these humans are masterminds that oversaw the Kaijin experiment and embedded themselves within the government’s ruling party with Gorgom subservient to them before Nobuhiko took over the party. Other than Soichiro Akizuki and Yoichi Daimon, these are the additional human members of Gorgom. * : A scientist, Nobel Peace Prize winner, and Tohto University professor. He was Gorgom's chief scientist in converting humans (willing or not) into various mutants. He also has interchangeable hands for him to experiment on said humans, along with a cybernetic monocle that attaches over his right eye and back of his head. He uses his Tohto University job as a sanctuary for Gorgom's mutants and as a laboratory for conducting conversions for humans and for Mutant-related experiments. He was later killed for his repeated failures to eliminate Black with Bilgenia briefly assuming his appearance, after killing him. * : A politician who used his political and non-political connections in performing tasks that Gorgom could not expose themselves into, such as kidnapping or assassination. He was responsible for leading a pro-Gorgom political party known as the EP Party with Omiya. His current status is unknown. * : The head of Omiya Konzern, he used his business connections in finance Gorgom's criminal and terrorist activities. He is one of the EP Party's leaders with Sakata. His current status is unknown. * : One of Japan's most famous actresses. She was assassinated by the Hyō Mutant when she unintentionally mentioned that Kotaro and Nobuhiko were becoming Century Kings on their 19th birthday party. * : Believed to be a former JGSDF (Japanese Ground Self-Defense Forces) soldier, he uses his training to raise the Gorgom Destruction Team as a commando task force for Gorgom before Kotaro forced him to come to his senses. * (24): Katsumi's biology teacher in the university. He is secretly the , using his medicine to keep him from changing into his monstrous form when not on one of Gorgom's missions. As the Coelacanth Mutant, he can shoot electricity from its fingers, emit laser balls from his hands, and turn into an electrical ball. His research lab, known as the Takayama Research Laboratories, has an android staff and is where he takes the female college students he abducts to use his "Coelacanth DNA Injection" to turn them into female Gorgom soldiers. When Katsumi becomes the next target, Kotaro was attacked by Katsumi until he brought the Coelacanth Mutant out and escaped during the first battle with Katsumi in his clutches. With the help of some children (whom were really adults turned into children by de-aging medicine), Kotaro found the captive female college students just as Professor Takayama assumed his mutant form to a surprised Katsumi. The surviving kids got the captives out so Kotaro can fight. Once Kamen Rider BLACK destroyed Takayama/Coelacanth Mutant with the Rider Kick, the explosion destroyed Takayama Research Lab.=Shinichi Donami
= An antagonist exclusive to ''Kamen Rider Black Sun'', is the Gorgom Party’s human liaison and prime minister of Japan. Shinichi inherited his role from his grandfather, the previous prime minister who oversaw the Kaijin experiments during the Second World War. Having played a indirect role in his grandfather forcing the Three High Priests into serving under him when they kidnapped him as a teen during the 70s, Shinichi uses his connections in the present to abduct his country’s undesirables for both Kaijin experimentation and exploitation. Eventually, forced to step down after his party and grandfather’s ties to the Kaijin experiments were made public, Shinichi is murdered in an alleyway by Koumori and Nick. Shinichi Donami is portrayed by , while his younger self is portrayed by .Allies
* : The head of the Ishida Psychiatric Lab. He turned several kidnapped artists into psychics and sent them to infiltrate various corporations in order to conduct economic sabotage. After the Eagle Mutant was destroyed, it is assumed that he was arrested by the police for his role in the kidnappings.Crisis Empire
The main villains from ''Kamen Rider Black RX'', the are a group of aliens who attempt to invade Earth. They always attempted to justify their invasion and their plans to exterminate the human race. They also claimed that their home planet was being sucked into aEmperor Crisis
is the ruling dictator of the Crisis Empire, a giant head with tendrils and three small faces on his forehead, who is not seen but mentioned several times throughout the series yet based on Crisis City at the Empire's home world. His voice was first heard where Gedorian eventually appeased his wrath, later appearing in the shadows to give General Jark the power he requested to have. He eventually offered Black RX the chance to become his new right hand by offering him Earth. When refused, Crisis has host body Dasmader kill him, upon finally revealing himself upon his host's demise. He was destroyed by RX's Revolcane, with his dimension ceasing to exist as a result while claiming his immorality ensured his return as long as evil exists. Emperor Crisis is voiced by .General Jark
is a military leader of the empire and supreme commander of the invasion army. Wearing a golden face mask and a black cape, Jark has the loyalty of most under him as he initially leading the attacks until Crisis arrived. He actually does care about his subordinates even to save Maribaron from being killed by Dasmader. Towards the end of the series, he was forcefully transformed by Crisis into a stronger warrior called to kill RX. In the process, Jark Midla easily murdered the Sahara parents and defeated V3 and Riderman while X and Amazon rescued the Sahara children from his grasp. When he was in the middle of battle, the Sahara kids attacked him before RX as RoboRider shielded them and transformed into BioRider. After Dasmader abandoned him for his failures, he was killed by RX using his Revolcane. Regressed to his normal form and near death, he proclaimed Crisis was too powerful even for RX. General Jark is voiced by . In episodes 45 and 46, he is voiced by .Four Officers
The are Jark's four followers who carry out the attacks on Earth.=Maribaron
= is the sorceress of the State, a human-looking officer in black and red armor from a noble family outside the Crisisians with feelings for Jark. She uses the yellow feather on her helmet as a weapon or to send messages, along with using a laser whip and breathe fire. She cares for her comrades, displaying it when Lord Crisis' living heir Garonia dies in a freak accident on their watch and she attempts to cover it up by kidnapping Hitomi to take her place. Though Jark learned the truth, he allows Maribaron to take the girl to the Miraculous Valley to complete her plan. But when Kotaro saves Hitomi, Maribaron is advised by Jark to make a false report that the princess was killed by Black RX. When Granzyrus arrives, Maribaron revived the spirits of 10 soldiers Kotaro killed to finish off the other riders. She was eventually shocked to learn that Dasmader was Grand Lord Crisis' mobile body, killed by Crisis when she objected on his decision to have Black RX join them after all the trouble he caused them. Maribaron is portrayed by .=Bosgun
= is a Crisisian dressed in a blue-green naval coat and white tights who wields a jagged sword and dagger. He wears a white helmet with a red visor and a tiny face on his forehead, which seems to be his actual face. He is in charge of the Man-Beast/Mutant unit, occasionally flaunting his Crisisian heritage to the other officers as he sees them to be inferior to him. He once plotted to take over General Jark but his plans were foiled when one of his swords was destroyed by General Jark himself upon discovering his treachery when he lost to RX twice. He died fighting when he was stabbed by the Revolcane during the arrival of Granzyrus. Bosgun is voiced by , who also voiced High Priest Darom as seen above.=Gatezone
= is a blue robotic biker in a leather jacket, slack, and one red eye on his face. In charge of the Robot unit, he took to fight Black RX occasionally. He is armed with a blaster and a powerful motorcycle called Storm Dagger. Gatenzone had the ability to detach his own head from his body. His body could still move on its own without his head. In his final episode, He died fighting Black RX while attempting a suicide bomb (with his head separated from his body) attack, with only his head remaining before it was shattered by his own laser beams reflected by Black RX. Gatezone is voiced by , who also voiced High Priest Baraom as seen above.=Gedorian
= is a small, unusual creature who owed his life to Jark and is one of his most loyal minions. He is constantly hopping about and annoying everyone else. He is the most cowardly and is quick to ditch a battle before it's even over. He was soon targeted by Dasmader, Gatezone and Bosgun when Grand Lord Crisis was about to destroy them all, but he soon gave his life to ensure the others avoid Crisis' wrath when he transferred his life energy into Gedolridol before his monster died at Black RX's hands. Gedorian is voiced by .Colonel Dasmader
Sent by Lord Crisis, is an inspector whose task is to put the invasion party back on track, receiving utter contempt by his peers due to his arrogance. Dasmader could fire a green laser, with a shape of a tiger's head from his helmet for combat. He was almost killed by both General Jark and Black RX. He later leads Gatezawn and Bosgun in the attempt to kill Gedorian to appease Crisis' anger. In episode 46, Maribaron discovers that he is somewhat a puppet of Crisis and a mobile body. In episode 47, he was summoned when Black RX refused Crisis' order, killed as a resort as Crisis is revealed upon Dasmader's demise. Colonel Dasmader is portrayed by .Others
* : A small robot that announces Jark's arrival before his subordinates and transmits messages from Crisis himself. He was destroyed by Kamen Rider Black RX before the final battle with Dasmader. Voiced by . * : The Crisis Empire's foot soldiers. They come in three colors: gray, brown and black. They later wear capes for the final four episodes of the series. The last of them were finished by the original 10 Kamen Riders before Black RX battles Dasmader. * : An