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Villains Wiki
Villains Wiki

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This Article Contains Spoilers - WARNING: This article contains major spoilers. If you do not wish to know vital information on plot / character elements in a story, you may not wish to read beyond this warning: We hold no responsibility for any negative effects these facts may have on your enjoyment of said media should you continue. That is all.

Villain Overview

There are two kinds of people. Ones that make use of others, and ones that get used. Those who make use dedicate their minds to lofty goals, the likes of which the used could never comprehend.
~ Swartz to White Woz.
I don't care about your opinion.
~ Swartz's usual response when dismissing the opinions of everyone around him, friend or foe alike.

Swartz is the leader of the Time Jackers and the main antagonist of Kamen Rider Zi-O. Though he originally appeared to share his cohorts' goal of choosing a new king to replace Oma Zi-O in the future, it is later revealed that Swartrz is the one instigated the rise of Oma's Day and was simply using the Another Riders as a means to further along Zi-O's journey into the Demon King.

In truth, Swartz is the older brother of Tsukuyomi of the Resistance and both he and his sister are members of a royal family from an alternate timeline. When Tsukuyomi was appointed "Queen" instead of him, Swartz erased her memories and dumped her in the year 2068 in Oma Zi-O's timeline and instigated the events of the series as a means to acquire the Rider powers of Sougo Tokiwa when he is at his strongest and usurp the throne. He also later steals the Rider powers of Tsukasa Kadoya/Kamen Rider Decade and uses them to become Another Decade, gaining the power to create alternate worlds where Dark Riders triumphed over their respective Kamen Riders.

He was portrayed by Kentarou Kanesaki.


Being the oldest member of the three Time Jackers, Swartz sees his fellow Time Jackers as his inferior underlings, and is far much cold, calculating, cruel and callous than Uhr. Unlike his fellow Time Jackers who make deals with people to become Another Riders, Swartz forcibly makes people into becoming Another Riders with no second thought.

It was shown that Swartz is incredibly manipulative and cunning, being able to successfully hide his true goal of ensuring Oma Zi-O's rise from his subordinates. Swartz adapts quickly to abnormalities that affect his plan and is willing to temporarily ally with the 9 5 DO crew if it suits his goals, such as when he teamed up with Woz to stop Kamen Rider Ginga or when he gave Tsukuyomi the Fourze and Ginga Ridewatch to give to Sougo and Woz so they could stop the meteors carrying the Worms from colliding with Earth. Despite being a capable schemer, Swartz is not without a fatal flaw—his overinflated ego. This allowed his sister into taking advantage of his grandiose delusions by believing that she betrayed Sougo, only for him to be literally stabbed in the back.




  • Due to his actions to destroy Heisei Kamen Riders' legacy and regardless of killing his own allies to become king, he is considered the most vile and psychopathic antagonist of the Heisei era, perhaps even more psychopathic than Takeshi Asakura (Kamen Rider Ouja) from Kamen Rider Ryuki.

External Links


           Zi-O Logo.png Villains

Time Jackers
Swartz | Uhr | Ora | Tid | Finis

Another Riders
Another Build | Another Ex-Aid | Another Fourze | Another Faiz | Another Wizard | Another OOO | Another Double | Another Den-O | Another Kuuga | Another Gaim | Another Ghost | Another Shinobi | Another Quiz | Another Ryuga | Another Kikai | Another Zi-O | Another Blade | Another Agito | Another Ryuki | Another Hibiki | Another Kiva | Another Kabuto | Another Den-O II | Another Drive | Another Decade | Another Zero-One | Another 1 | Another Diend

Oma Zi-O's Army
Oma Zi-O | Woz | Kasshin | Dai Mazines

Future Riders
White Woz | Kamen Rider Ginga

Legendary Riders
Masato Kusaka | Kaito Kumon | Tsukasa Kadoya | Hajime Aikawa | Daiki Kaito | Shun Kageyama | Katsumi Daido

Another World Riders
Kamen Rider G4 | Kamen Rider Fuma | Kamen Rider Dark Ghost | Kamen Rider Rey | Kamen Rider Eternal | Kamen Rider Woz | Kamen Rider Yuuki

Kamen Rider Barlckxs | Kagen | Jogen | Woz | Kasshin | Dai Mazines

Tid's Army
Masquerade Dopants | Waste Yummies | Stardust Ninja Dustards | Elementary Inves | Ghouls | Lost Number Roidmudes | Gamma Commandos | Guardians | Hard Guardians

Swartz's Army
Monsters: Strong Smash Hazard | Mashin Chaser | Elementary Inves | Orion Zodiarts | Shika Inves | Utopia Dopant | N-Daguva-Zeba | Sagittarius Zodiarts | Gamedeus | Kamen Rider Evol
Footsoldiers: Guardians | Masquerade Dopants | Elementary Inves | Lost Number Roidmudes | Ghouls | Gamma Commandos | Bugster Virus

Waste Yummies | Gamma Commandos | Humanoise | Salis Worms | Gryllus Worm | Imposter Shun Kageyama | Mole Imagin | Narutaki

Rider Time Shinobi
Niji no Hebi
Yaminin | Stardust Ninja Dustards

Rider Time Ryuki
Tatsuya Kano | Takeshi Asakura | Jun Shibaura | Dark Shinji | Ishihashi | Tozuka | Kamen Rider Odin