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Shinya Mizorogi (溝呂木眞也, Mizorogi Shin'ya) was the former deputy captain of the Night Raiders before merging with Dark Mephisto to become his human host. He served as the main antagonist in Ultraman Nexus during Jun Himeya's time as Dunamist.

History

Ultraman Nexus

Shinya Mephisto Meet

Mizorogi and Mephisto meet

A year before the start of the series, Mizorogi was the former Deputy Captain of the Night Raider Division of TLT. Very close to Nagi, the two had the uncanny ability to sense Space Beasts even when TLT's equipment couldn't. Around this time Mizorogi was beginning to have dreams and visions of strange ruins.

One night he and Nagi went into a building alone and found themselves facing the zombie variant of Beast Humans, corpses animated by beast cells and manipulated by some dark power as puppets. After dealing with them the two decided that only one would face the beast, its ability made working in a team a liability. He and Nagi made a pact to kill the other if they fell under the creature's power, switching dog tags to seal their promise. Mizorogi proceeded deeper alone until he met upon a dark giant, one he mistook for just another Beast but the being proved immune to his weapon and instead of fighting him convinced Shinya to merge with it and thus Dark Mephisto was born that day as Mizorogi's heart disappeared into the darkness.

Nexus vs Mephisto

Nexus vs Mephisto

An even higher-ranking dark Ultra, Dark Mephisto was the mastermind behind Dark Faust and then other space beast plots. It was he who ordered Nosferu to kill Riko Saida's family and it was Shinya himself who killed her by a cannon blast to the face. After Faust was destroyed, Mephisto continued to use Riko, using her image to continuously harass and torment Kazuki Komon.

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Mizorogi transformed intobMephisto as he was challenged by Ultraman Nexus' host Jun Himeya. The two forces collided for the first time, but a clear winner wouldn't come to be but the two became rivals, polar opposites that continuously challenged each other. When Nosferu was destroyed, a young girl that the beast kept as a hostage was wounded. This was the plan of Mephisto all along and the vile giant vanished as Nexus and the Night Raiders looked on in horror at what had happened with Komon slipping deeper into a depression.

When Nosferu returned yet again, Mizorogi transformed into Mephisto once again before Nexus could attack the space beast. Quickly creating a darkness field, the tyrant of evil began to hold his own against Nexus. Dodging its attacks and utilizing its own powers, the battle between the forces of good and evil raged. The two giants battled back and forth until Nexus hit the fiend with his core impulse, severely wounding the red and black villain. Mephisto retreated, but continued to taunt Komon with memories of his dead girlfriend with hopes of making him turn to the dark side. This plan, however, didn't work. When in a stand off with Komon, Nagi, Jun, and several of the Night Raiders, it seemed the alien was invincible until Nagi shot her old lover in the back. Unprotected, Mephisto was defeated, but not dead. Mizorogi came up with a new scheme to kill off Nexus and open the Gates of Darkness, allowing him his wish of ultimate power. Unleashing Kutuura’s wrath, the villain left clues for the Night Raiders and Ultraman to follow until the time of final battle came. Inside the Death Land, after Nexus fell defeated by Kutuura, the Night Raiders arrived and defeated the space beast.

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Mephisto vs Night Raiders one last time.

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Mizorogi transformed into Dark Mephisto and challenged the Night Raiders themselves. After being hit, and withstanding, their Ultimate Vanisher, Nexus suddenly revived. The hero, however, was still weakened. He managed to fight through Mephisto’s attacks, but the villain still had the upper hand. A new plan was made to recharge Ultraman by modifying the Ultimate Vanisher. The beam of light hit Nexus' Energy Core, recharging him with energy and reviving him. The fight between the forces of good and evil were once again raged in the sky as they traded blow after blow. Watching on, the Night Raiders bore witness to the two giants firing their beams. The two streams of light smacked into one another, engulfing them both in a huge explosion. Through the flames, both warriors continued their battle until the combined energies completely vaporized them both. Mephisto was gone, but he’d find yet another way to return. 

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Mizorogi transformed one last time using will.

Mephisto protecting

Mizorogi protected Ren from Misawa.

When he did return, however, Mizorogi was without his memories. Traveling the streets of Japan looking for answers, it was only time before the Night Raiders captured the confused soul. When told of what he was and what he did, Mizorogi was lost and depressed. He managed to escape, but the dark forces that made him Dark Mephisto would corrupt a new soul: Hiroyuki Misawa, a member of the memory police. When Misawa revealed his new self, he attacked and nearly killed Mizorogi. Fleeing from the giant, Komon and Nagi watched on as Ultraman Nexus’ power was drained by the giant. However, as the villain prepared to finish off the giant of light, Mizorogi took on the form of a dark Ultra again. This time, however, the human had complete control of himself. He was no longer a puppet and now used this destructive force for good.  

Saving Nexus, the two dark ones clashed in a show of power, but Shinya's wounds came to play, slowing him down. Zwei stabbed his blades into Mephisto’s gut, the dark giant was about to fall. Yelling for Ultraman to fire as he spun around and held the other tight, the end of this power and life was soon to be. Ultraman Nexus fired his Arrow-Ray Schtrom, killing Dark Mephisto Zwei while Mizorogi reverted to his human form where he would die, once and for all, as a human who had redeemed his soul.

Transformation

Mizorogi holds the Darkevolver in front of him and pulls it open. The central stone shines a purple light that covers his body. The transformation scene is an image of Mizorogi's face covered in purple light, the image cracks and Mephisto pops out with a purple light behind him. When he was fighting for good, he transformed of his own will, and the light behind Mephisto was yellow.

Powers and Weapons

  • Durability: Mizorogi has taken hits from attacks that could topple Space Beasts and has not only survived but continued to stand and fight. It can be assumed he also possess superior strength like the Deunamists.
  • Levitation: Mizorogi can hover in the air for an unknown amount of time.
  • Dark Field: Even in human form Mizorogi can generate a Dark Field and control the phase.
  • Teleportation: Mizorogi has demonstrated on one occasion disappearing into thin air when his opponent's eyes were taken of him for just a second, he has also summoned a space beast into his Dark Field.
  • Barrier: Mizorogi can generate a barrier by pure will alone.
  • Mind Powers: Mizorogi can view battles taking place in other locations or dimension, he can control the weak willed and show them illusions and upon dominating them completely speak through them like a microphone.
  • Darkevolver: Darkevolver is the dark equivalent to the Evolthruster, while its light counterpart resembles a cross between a wand and a dagger, this artifact resembles a dark wand with crystal on both ends and one in the middle.
    • Transformation: Mizorogi would pull the device open and a dark light would shine from the middle crystal turning him into his Ultra form.
    • Barriers: Mizorogi can erect barriers with this device.
    • Energy Blasts: Mizorogi can shoot energy blasts.

Gallery

Ultraman Nexus

Trivia

  • Mizorogi was referenced in Ultra Galaxy Mega Monster Battle. At the end of the episode that featured Galberos, Kumano, also played by actor Mitsutoshi Shundo, showed surprising knowledge of the Kaiju during the episode's after show information special, that he, himself could not explain.
Human Hosts and Forms
Showa Hosts Shin Hayata | Dan Moroboshi | Hideki Go | Seiji Hokuto | Yuko Minami | Kotaro Higashi | Professor Ohtani | Shuuhei Aragaki | Tetsuya Kitajima | Tadao Nanbara | Takashi Ueno | Gen Otori | Choichiro Hikari | Kyoko Kodaka | Takeshi Yamato | Ryoko Hoshi | Scott Masterson | Chuck Gavin | Beth O'Brian
Heisei Hosts Jack Shindo | Dan Moroboshi (Heisei Ultraseven) | Kenichi Kai | Masaki Kazamori | Genki Kagura | Mysterious Girl | Shin Kenmochi | Agent Sean | Masato Usami | Katsuto Asahi | Daigo Madoka | Tsubasa Madoka | Amui | Shin Asuka | Gamu Takayama | Hiroya Fujimiya | Ginga Yumeboshi | Musashi Haruno | Julie | Shunichi Maki | Jun Himeya | Ren Senjyu | Nagi Saijyo | Kazuki Komon | Kaito Touma | Ikuo Hasunuma | Mirai Hibino | Kazuya Serizawa | Ryu Aihara | Shingo Sakomizu | Jin | Run | Nozomu Taiga | Hikaru Raido | Sho | Daichi Oozora | Sayuri Tachibana | Yuuto Tamaki | Gai Kurenai | Riku Asakura | Leito Igaguri | Katsumi Minato | Isami Minato | Rosso | Blu | Asahi Minato
Reiwa Hosts Hiroyuki Kudo | Haruki Natsukawa | Kengo Manaka | Ribut | Ignis | Shinji Kaminaga | Kanata Asumi | Decker Asumi | Dinas | Gento Hiruma
Evil Ultra Hosts Keigo Masaki | Riko Saida | Shinya Mizorogi | Hiroyuki Misawa | Mitsuhiko Ishibori | Soso | Utsuutsu | Arie Ishikari | Makoto Aizen | Kirisaki | Zabil
Other Ultraman Media Takeshi Yoshioka (Hyperspace) | Ikuru | Shin Moroboshi | Kazuma Asuka | Akiko Fuji (Ultraman F) | Shin Hayata (Marvel) | Dan Moroboshi (Marvel) | Lili Archive
Other Hosts Takeshi Hongo | Kyotaro Kagami | Officer Sakomizu | Goro Kirishima | Yuji Hayase | Tetsuo Hayase | Lily Hayase | Daisuke Misaki | Naoki Tachibana | Kochan | Ai Tachibana | Zen Tachibana | Toki Goh | Naoto Sho | Takeshi Todo | Ippei Baba | Yuka Inoue | Mai Midorikawa | Sam Collins | Ai Kumashiro | Akira Kageyama | Rei | Nao | Tomoya Ichijouji | Daisuke Misaki (Glenfire) | Amate | Yuta Hibiki | Hikari Kaizaki | Chloe
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