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Anime / Great Mazinger

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In the forefront, Tetsuya and Jun. In the background, Great Mazinger, Venus A... and Boss Borot.

"All battles I have fought so far… I have fought them to prove the world that I exist!"

Great Mazinger (グレートマジンガー, Gurēto Majingā) is the second entry of the Mazinger series by manga artist Go Nagai and a direct continuation of the successful Mazinger Z. It was aired on Japanese television in 1974, immediately following the end of the first series, and it ran for 56 episodes.

Several millennia ago, a powerful civilization named Mycenae thrived in the Greek island of Bardos. To defend their island from invaders, they employed metallic giants that blasted tongues of fire from their chests. However, an earthquake destroyed their island and the Mycenae disappeared. For a long while it was believed they perished right then, but it was false. In reality they were forced to seek shelter underground, and a lot of them grafted their heads into powerful mechanical bodies to survive. However they longed to return to the surface again and getting the sunlight, fresh air, and unpolluted water back.


Many centuries later, Dr. Hell and Dr. Kabuto conducted research on Bardos and through different means both of them reached the conclusion that their civilization was still alive. Dr. Hell decided on allying himself with one them. (Which turned out to be a bad move). Dr. Kabuto suspected the Mycenae were preparing to return to the surface and take it back from humans and he decided to start taking precautions.

When his son and his daughter-in-law were mortally injured in a laboratory accident that went awry, he turned his son into a cyborg to keep him alive and revealed to him his plans and his fears. Kenzo Kabuto agreed to work secretly to prevent the Mycenae invasion.

After the ending of Mazinger Z, Mazinger Z was easily destroyed by the Mycenae Battle Beasts. Kouji and Sayaka went to study in America, leaving the defense of Earth on the hands of Tetsuya Tsurugi and Jun Hono, two combat-pro orphans who are slightly Darker and Edgier compared to Kouji and Sayaka. Piloting Great Mazinger -an upgrade to Mazinger Z, built by Kenzo, Kouji’s Not Quite Dead father, by improving upon his father’s plans- and Venus A, Tetsuya and Jun go to battle the Mycenae Empire, led by the Emperor of Darkness, and eventually Tetsuya becomes the Worthy Opponent of The Dragon, The Great General of Darkness.


Considered Darker and Edgier than its predecessor, Great Mazinger was less successful and less popular among fans. It was followed by the next, and final, entry of the trilogy, UFO Robo Grendizer. There were several crossovers among it and other Go Nagai series, such as Getter Robo and UFO Robo Grendizer, and the two main characters reappeared in Mazinkaiser.

A Character Sheet is now in construction.

This series features examples of:

  • A Head at Each End: Several Mycenae War Beasts had a head at each end (an occurrence happened more often than you would think since ALL Mycenae War Beasts had several heads: one of them was the Humongous Mecha's head and the other -or others- belonging to the human warrior fused with the mecha). This trope was used for first time in the Mazinger universe in the Mazinger Z vs Great General of Darkness feature.
  • An Arm and a Leg:
    • Great Mazinger (literally) at the end of his fight with the General of Darkness.
    • Happens regularly to Jun and Boss' mechas.
  • An Axe to Grind: Some War Beasts also were axe-wielders. General Juuma — one of the Co-Dragons of Ankoku Daishogun — wielded one in Mazinger Z vs Great General of Darkness (and nearly skewers Mazinger's head — and Kouji — with it). In the proper series, Garalya (from episode 2) was the first War Beast who used an axe (a huge double-headed axe with no handle).
  • Abusive Parents - Parents as People: Kenzo Kabuto. He almost died from a laboratory experiment gone wrong, but his father saved his life. However, both of them thought it would be better not to tell Kouji and Shiro — Kenzo's sons — he had survived. For YEARS Kouji and Shiro grew up mostly alone, thinking their father died alongside their mother, though he did have the pretty decent excuse that he was building a Humongous Mecha to defend humankind. When this was revealed, Kouji was too glad to accept his father, but Shiro took a long while until he could forgive him. Also, Kenzo had no troubles slapping Tetsuya when he thought his adoptive son was crossing the line. All of it finally bit everyone's butts at the end of the series.
  • Abusive Precursors: The Mycenae Empire.
  • The Ace: Tetsuya is considered this. Surprisingly, Tetsuya himself is the only person who have any kind of doubts about it.
  • Ace Pilot: Tetsuya. Considering the fact that he is a well trained combat pro, this is pretty logical.
  • Action-Hogging Opening: The opening of the trilogy feature more action — featuring the titular HumongousMechas tearing their way through an army of enemies — and a better animation than an average episode of their series — especially of Grendizer.
  • Advanced Ancient Acropolis: The Mycenae inhabited the Greek island of Bardos. Their technological level was miles ahead of any other culture of the same time, and the rest of the world would need millennia to catch up. However, one earthquake shook their island and destroyed their cities, and they were forced to seek shelter underground. They founded another civilization Beneath the Earth, but on the surface the only remainder left of their presence were abandoned, decaying ruins, and old legends about the Humongous Mecha they used to defend their land.
  • Air Jousting: Great Mazinger was able to fly, and the Avian Host was comprised of bird-alike Animal Mecha specialized in these kinds of battles. Aerial duels were constant, the first happening in the first episode and the last of them in the last episode.
  • Airborne Aircraft Carrier: Mykeros and later Demonika, Mycenae Empire's flying fortresses. All of them were flying fortresses with formidable attack prowess and the capability to store several War Beasts.
  • All Your Colors Combined:
    • The final battle is won when Mazinger, Great Mazinger, Aphrodite A and Venus A combine their strongest attacks to bring Cool Airship Demonika down.
    • Great Mazinger and Getter Robo have also combined their attacks in several movies.
  • Alliterative Name: Tetsuya Tsurugi, Kenzo Kabuto.
  • Always Chaotic Evil: The Mycenae play with this trope. The Warrior Monsters are Humongous Mecha with the head of a Mycenae soldier implanted in the giant mechanical body. Since the soldiers are indoctrinated to attack and wipe out anything non-related to the Mycenae civilization, the trope is justified. On the other hand, the commanders of the army display different personalities and even honorable qualities (specially Ankoku Daishogun), and even though they are not portrayed as good, they are not portrayed as proud of being evil, either. They're more like a proud race of warriors who want to return to the surface world after being forced to live underground for a millennia.
  • Animal Mecha: The Mycenae Empire army was split in seven divisions. Five out of those seven were named after the animals their mechas resembled: mammals, birds, reptiles, fishes and insects.
  • Armed Legs: Great Mazinger has two attacks based around this; the Knee Impulse Kick (a retractable knee spike) and the Backspin Kick (a cutting blade in the lower leg).
  • Arrogant Kung-Fu Guy : Tetsuya, mostly a Jerkass on daily basis, who always makes sure you know that he is a Combat Pro, both by his attitude, and his performance at battle.
  • Attack! Attack! Attack!: Tetsuya Tsurugi is the worst offender in the whole trilogy. He is a hard-headed Blood Knight who never, ever, retreats.
    • In the Great Mazinger vs Getter Robo feature, Tetsuya tried all of Great Mazinger's weapons against an Eldritch Abomination. None of them worked, and the monster ripped off Great's arms and melted one leg. What did Tetsuya do? He tried to headbutt it.
    • In one of the first episodes, Kenzo Kabuto had to actually threaten him with — to Tetsuya — a Fate Worse than Death: "Return to the Fortress NOW or else you will be out of Great Mazinger... permanently."
    • In his climatic Sword Fight with The Dragon Great General of Darkness, his mecha was damaged and running out of power and he was badly hurt after a battle when he was informed that the Great General of Darkness — the biggest villain badass of the Mazinverse — was approaching to challenge him. Everyone exhorted him to run away. What did Tetsuya do? Pick up two swords and meet his rival's challenge.
  • Beehive Barrier: The Fortress of Science used a Beehive Barrier to protect the facility when under attack.
  • Beneath the Earth: The Mycenae. Their civilization thrived in the Greek island of Bardos millennia ago. An earthquake destroyed their island and forced them to seek shelter underground. They lived below Earth for millennia, building their cities in networks of subterranean tunnels and caverns and grafting their bodies into Humongous Mecha to survive. Unlike other examples from this trope they did not strictly harbor a grudge against humans... but they did not like them, either.
  • Berserk Button: Unless your name is Jun Hono or Kenzo Kabuto, do NOT EVER slight Tetsuya's skills.
    • As an example, an arc of the Gosaku Ota episodes has a Corrupt Corporate Executive steal Great Mazinger's plans to produce and sell his own Humongous Mecha. One of his imitations manages to defeat Great Mazinger (by preventing Tetsuya from docking). When Kenzo, Tetsuya and Jun tries to convince him to stop building Humongous Mecha, the man says they were just jealous his robot was stronger than Great Mazinger. Tetsuya immediately lunges at him, shouting he had NOT lost.
    • And don't even try to hurt or threaten Jun or Kenzo, as Several Mycenae Battle Beasts [[Spoiler:including the Great Marshall of Hell]] found the hard — and extremely painful — way.
      Tetsuya: "Jun was a very special person to me! GUILLOTINE KICK!"
  • Big Bad: Emperor of Darkness.
  • Big Creepy-Crawlies: Overlapping with Animal Mecha, one whole host of the Mycenae Empire army were bio-mechanical, massive insects. Their commander, General Scarabeth, resembled a gigantic rhinoceros beetle.
  • Big Damn Heroes: Tetsuya's forte. Even his debut was a Big Damn Heroes moment in the final episode of Mazinger Z, where, fresh off beating Dr. Hell, a new, more powerful army appears and promptly whups Mazinger Z. When all hope seems lost, the brand shiny new Great Mazinger shows up on scene and proceeds to hand the new enemies their butts. Tends to happen a lot in the remakes, generally kicked off with a nice, big Thunder Break.
  • Black-and-White Morality: At first sight the Mazinger trilogy seems belonging to this trope since the the heroes are mostly good guys and the villains tend to be pure evil, but in reality the morality in these series is more greyish than it seems. Dr. Hell became mad after having endured years of abuse, insults and mockery from everybody -including his parents- since he was a little kid, and even when he made a good action, he usually got beaten and scorned. The Great General of Darkness wanted to take over the surface world because the Mycenae civilization had been forced to live underground for millennia and he wanted his people to once again enjoy things humans take for granted; seeing sunlight again and breathing fresh air. Emperor Vega began invading other planets because his own homeworld was dying, and several of his henchmen were WellIntentionedExtremists wanted establishing a benevolent dictatorship because they genuinely believed Earth's people would be better off. And, frankly, humans in the Mazinger trilogy often acted like utter bastards and forced the heroes to ponder why they bothered.
  • The Blade Always Lands Pointy End In: It happened several times.
  • Brain in a Jar: The Kedora. Ken Ishikawa one-shot "The Relic of Evil" revealed that the Mycenae controlled their Robeast by grafting the brain of a soldier taught to destroy all non-Mycenae civilizations into a parasitic organism, and it fused with a robot, giving the Mycenae soldier complete control. They would show up later in Shin Mazinger.
  • Breath Weapon: Great Typhoon. Great Mazinger blows a jet of wind from its mouth grill to blow the enemy away. It is similar to Mazinger's Rust Tornado, but without the rust effect. Many Warbeasts also had breath-based attacks, usually expelling out fire, acid or even poison. One of the seven armies of Mycenae Empire (the Reptilian Warbeasts) specialized in this kind of weapons.
  • The Bridge: The aircrafts of the Mycenae Empire had bridges fitted with the basic elements.
  • Brother–Sister Incest: This is an example where the issue is avoided due to them being adoptive siblings. Tetsuya and Jun were two orphan kids Prof. Kenzo Kabuto adopted. So they technically are family and in fact grew up together. However they are not related by blood at all, so nobody seems minding they are the Official Couple, and the issue is never brought up.
  • But Not Too Foreign: June combines this with But Not Too Black.
  • Butt-Monkey: General Hadias's role in a nutshell, he only gets to use three of his warrior beasts in the entire series while the other six generals use much more and multicapable robotic types pretty much take over the second half of the show (although they are shown much earlier). However, he is the only general in the show to hold his own against the Mazingers in the final showdown.
    • Similarly in Mazinger Z vs. The Great General of Darkness, Dante is the only spectral type warrior beast while the other six classes have two members.
  • Canon Immigrant: Great Mazinger later gets featured in the alternate retelling of the first of the trilogy, Mazinkaiser.
  • Caped Mecha: Great General of Darkness, obviously.
  • Card-Carrying Villain: Dragon-in-Chief Great General of Darkness (Ankoku Daishogun) was very clear about his goals: he wanted the ancient Mycenae civilization returned to the surface world and felt the light of Sun for first time in milennia, and he thought conquering the surface and wiping the whole humanity out was the only way to accomplish that. However, Big Bad Great Emperor of Darkness didn't make clear that was his motivation. Then again, he was Hades. It's a bit hard not being evil when you are a God of Evil.
  • Cave Behind the Falls: Venus A's main hangar is located behind a waterfall. Notice that the cave is big enough to house a twenty meters high robot.
  • Character Development: The characters of Mazinger Z had only the basics of this, but the ones of Great get a bit more fleshed out. I.e: Tetsuya's jealousy of Kouji for being Kenzou's true son which make more sense for Japanese viewers than Westerners due to honor and blood line issues, Jun being a victim of discrimination for being the daughter of a black man and a Japanese woman, Shirou's relationship with Kenzou himself...
  • Chest Blaster: Breast Burn
  • Classical Mythology: It has an increasingly important role in the trilogy. Dr. Hell finding several Humongous Mecha in the underground mazes of a Greek island has its basis on the Greek legend of [1], the giant man of bronze that protected Creta. Gorgon's Robeasts resembled gods, heroes and creatures found in the Greek myths. And in later retellings of the story (Z-Mazinger and Shin Mazinger), Mazinger-Z turns out to be Zeus and Emperor of Darkness becomes Hades.
  • Climactic Volcano Backdrop: One battle between Great Mazinger and Marquis Janus took place in Janus' Volcano Lair (in Gosaku Ota manga). As Tetsuya battled Janus and her troops, the volcano erupted and vomited lava, rocks and cinders, walls crumbled down and the place collapsed around them.
  • Clothing Damage: Jun Hono suffered from this more often than Sayaka (much to her disliking).
  • Combining Mecha: The Mecha Expansion Pack Augment type. Great Mazinger is powered by a little aircraft (Brain Condor) docking on his head. And later it got a second Jet Pack, the Big Booster.
  • Convection Schmonvection: Right like in the first series, many battles happened near volcanoes or IN volcanoes, and Tetsuya was protected from the asphyxiating heat, toxic fumes and other dangers by Great Mazinger's.
  • Cool Airship: Mykeros and Demonika, Mycenae Empire flying fortresses and airborne carriers.
    • Face Ship: Demopnika's frontside resembled the square, long snout of a mammalian beast. Mykeros had multiple faces built along its entire perimeter in reality were gates to launch the Robeasts.
  • Crossover: Out of all 70's anime based on Dynamic Productions mangas Great has the biggest number of crossovers - one with UFO Robo Grendizer, one with Getter Robo, one with Getter Robo G and one with Getter Robo G and Grendizer at the same time.
  • Cyborg: Prof. Kenzo Kabuto and Archduke Gorgon. And if you keep in mind the Warrior Monsters were bio-mechanical Humongous Mecha were controlled by the brain of a Mycenae soldier grafted into it, then you have to that series' Robeasts were giant cyborgs.
  • Daddy Had a Good Reason for Abandoning You: It is both played straight and subverted:
    • Kenzo's sons, Kouji and Shiro, grew up believing their parents had died from a laboratory experiment that went wrong. However, Kenzo's father saved his son's life by turning him into a cyborg. Neither of them told Kouji and Shiro he was alive because Kenzo was building a Humongous Mecha to repel the Mycenae invasion they predicted, and train its pilot. And both his father and he wanted to shield Kouji and Shiro from danger and psychological shock. It was not a bad reason, even if it was somewhat weak because Juzo was also building a Humongous Mecha as he raised them, even if he did hire a maid because he was so absent. When Kenzo revealed the truth to his sons, it took a long while for Shiro to forgive him, though Kouji forgave him right away.
    • It is subverted with Kouji and Shiro's mother in the original series. In episode 90 from Mazinger Z, their mother appeared in the Institute, revealing she was alive and asking meeting her sons before telling them why she let them believe she was dead during years. Shiro was happy of getting his mother back, but Kouji was distrustful. It turned out that Kouji was right. Their mother was truly dead and that woman was a cyborg fabricated by Dr. Hell to infiltrate the Institute and destroy Mazinger from within. So her "good reason for abandoning them" was false.
  • Danger Room Cold Open: The Fortress Of Science was equipped with one of these. It appeared for first time in episode 3, and the scene showed Jun dodging rounds of machine gun mounted on the walls as Tetsuya her training and gave -or better said, barked out- advice.
  • Darkest Hour: In the anime it happened in the last episode: the Mycenae bombarded the Fortress of Science, Kouji and Tetsuya were forced to fight separately, Tetsuya was defeated and nearly got killed and Prof. Kenzo Kabuto died. And in the Gosaku Ota episodes it was worse AND things went downhill.
    • Nevertheless, in that same manga the Darkest Hour happened in one of the last arcs: Great Marshall of Hell blackmailed the Government into destroying the Fortress of Science, Great Mazinger and Venus A. The Fortress was blown up to bits and crumbled into the ocean, the heroes were forced to flee and hiding, and while they were seeking a shelter and lying low, the Mycenae army conquered Japan.
  • Death from Above: Great Marshall of Hell fabricated a massive lens of ice orbited around Earth and worked like a Kill Sat by focusing sunrays in one single point and blasting it with a massive, hot-melting heat ray. It appeared only in one of the manga continuities, though.
  • Deflector Shields: The Fortress of Science was equipped with a deflective energy barrier that surrounded the whole building to repel the strikes of the Monster of the Week and raids of enemy ships and airships. Unfortunately, a strong enough War Beast could shatter the barrier by employing enough brute force, and the Co-Dragons were savvy enough to search and blow up the devices that made the barrier working.
  • Destructive Saviour: When Tetsuya, Jun and Boss fight against Warrior Monsters... usually the battlefield gets destroyed. And if it happens in one city... there is no much city left to speak of in the wake of the battle. However one Gosaku Ota episode showed if Great Mazinger did NOT stop the Beasts, there would be not even ruins left: the planet would be turned to nothing but rubble littering the scorched land.
  • Detachment Combat: Tetsuya several times detached the Big Booster off Great Mazinger's back in midair so it flew towards the enemy and impaled it.
  • The Determinator: Tetsuya. Not matter how hurt he is or how badly damaged Great Mazinger is, he will NEVER give up (because in his mind giving up would mean he would let his surrogate father down). A Super Robot Wars Manga plays with it, showing he can not care less if he is outnumbered or hurt.
    • Tetsuya: That's right... It's fine if you tell me... to fight... I'll keep answering with the same answer... MAZIN GO...
  • Disappeared Dad: Dr. Kenzou was absent from the lives of Kouji and Shiro (raised by Dr. Juuzou), and that comes to bite everybody in the ass later.
  • Distracted by the Sexy: Just how many times Boss ran into an obstacle because he saw Jun walking by and he stopped looking forward while he walked?
  • Doing In the Wizard: In the Mazinger versus Great General of Darkness, a prophet warns Boss and his gang -and later Kouji and his friends- about the inminent Mycenae invasion. It turns out that in reality he was Prof. Kenzo Kabuto, father of Kouji and Shiro, who kenw about the Mycenae for reasons having nothing to do with prophecies.
  • Doomsday Device: Great Marshall of Hell loved to design and build them -right like he did back when he was Dr. Hell. One of those devices -appeared only in the Gosaku Ota manga- was a giant, ice lens orbited around Earth and worked like a Kill Sat.
  • The Dragon: Great General of Darkness (aka Ankoku Daishogun). Co-Dragons include Archduke Gorgon, Minister Argos, the Seven Mikenese Generals (mostly Julicaeser), and Marquise Janus (Gorgon's successor after being destroyed by a Thunder Break in episode 22.
    • Dr. Hell as the Great Marshal of Hell takes over his position starting in episode 36 after he dies in combat against Great Mazinger five episodes earlier.
  • Duel to the Death: The Sword Fight between Tetsuya and Ankoku Daishogun is maybe the definitive example of the entire franchise.
  • Elaborate Underground Base: Seeing Super Villain Lair example below.
  • Eldritch Abomination: Several of them showed up in the trilogy, often overlapping with Giant Space Flea from Nowhere: Great Emperor of Darkness as well known as Hades (Big Bad from Great Mazinger), Gilgilgan (of the Great Mazinger vs Getter Robo movie), Grangen (of the Great Mazinger vs Getter Robo G feature), Dragonsaurus (of Grendizer, Getter Robot G, Great Mazinger: Kessen! Daikaijuu movie), the Bigbad of Super Robo Retsuden (a Crossover penned by Ken Ishikawa featuring the most popular Humongous Mecha of Go Nagai)... and in the Shin Mazinger Zero manga Mazinger Z itself.
  • Everyone Can See It:Tetsuya and Jun. Unfortunately, Tetsuya was even more oblivious than Kouji. How oblivious? He thought Jun would replace him with Kouji in spite of: Jun barely knew Kouji; and she had spend the whole series trying Tetsuya noticed her.
  • Evil Plan: Emperor of Darkness' plan is conquering the surface world so that the Mycenae civilization can live above ground again.
  • Exactly What I Aimed At: In the Mazinkaiser movie Tetsuya is fighting Angoras and Scarabeth. Tetsuya throws Great Mazinger's Great Boomerang and right after shoots Great Typhoon. Both attacks miss, both commanders laugh and ask where he is aiming at... when Great Mazinger's boomerang slices them both from behind. As he is dying, Scarabeth -Mycenae army's best tactician- realizes Tetsuya had missed his boomerang throw on purpose, and he shot Great Typhoon to change the boomerang's trajectory. So he caught them by surprise and killed both of them at once.
  • Expository Theme Tune: "I am great! I am Great Mazinger!"
  • Face-Revealing Turn: Marquis Janus.
  • Faceless Goons: Mycenae Empire's foot troops wear viking helmets cover his entire head.
  • Falling into the Cockpit: Averted. Tetsuya and Jun were taught to pilot their machine wars by Professor Kabuto before their first enemy engagement.
  • Fem Bot: Venus A, Jun's Humongous Mecha. Diana A also reappears in the final episode.
  • Final Battle: It varies depending on if we are discussing the Go Nagai manga, the anime series or the Gosaku Ota manga. In the anime version, Great Marshall of Darkness sent several Warrior Monsters to attack the Photon Energy Research Institute as Demonika -his Cool Airship- stealthily approached the Fortress of Science. Kouji fought a powerful Warrior Beast but Tetsuya (who was irrationally jealous) refused to sortie to help him. Finally he deployed Great Mazinger, and Great Marshall chose that moment to attack. A Warrior Monster attacked Tetsuya as Demonika started bombarding the Fortress. Tetsuya was easily shot down and cut off reinforcements. Dr. Kabuto then commited a Heroic Sacrifice to save him. After retrieving his corpse, Mazinger-Z, Great Mazinger, Venus A and Diana A regrouped and attacked Demonika together, blowing the Mycenae army up to Hell. The manga versions are similar, but there is a very important difference in the Gosaku Ota version: Tetsuya commited Heroic Sacrifice, self-detonating Great Mazinger to destroy Demonika and the Mycenae army.
  • Finishing Move: Technically, the first proper one of Super Robot Genre is Thunder Break. Unlike his predecessor, Thunder Break serves as both Tetsuya's most used and iconic weapon, and his finisher against most of his opponents.
  • Giant Equals Invincible: Played straight.
  • Giant Flyer: The division of the Mycenae army commanded by Birdler were all giant, bird-like mecha.
  • Giant Robot Hands Save Lives: It happens several times. Also, in the Nagai Heroes e-manga, Diana A -piloted by Sayaka- saved Jun's life when she got thrown from a flying fortress.
  • Giving Someone the Pointer Finger: Great's trademark pose when using Thunder Break.
  • Good Scars, Evil Scars: Kenzo Kabuto has a scar runs along of the left side of his head, atopping right above his eyebrow.
  • Good Wings, Evil Wings: Great Mazinger had two sets of wings: two red metallic wings unfolded from its back, and Big Booster (a grey Jet Pack docked its back. Big Booster wings were triangular and grey-colored). Several squads of the Mycenae Empire army were formed by animal-shaped, bio-mechanical Robeast (such like the Avian army or the Insect army), so it was usual seeing Monster Warriors equiped with wings of bat, bird or insect.
  • Grand Finale: Kouji and Tetsuya's rivalry reaches a boiling point when the Mycenae army attacks Mazinger and Tetsuya refuses helping Kouji. Finally, he gets talked into launching Great Mazinger, only to be shot down by a War Beast was awaiting for him. At the same time, flying aircraft Demonika appears and starts bombarding the Home Base of the heroes. The Professor Kenzo Kabuto (Kouji's biological father and Tetsuya's adoptive father) commits Heroic Sacrifice to save his adoptive son. Tetsuya suffers a Heroic BSoD, realizing his fear of losing his father has brought about his father's death, and Mazinger, Great Mazinger, Aphrodite and Venus combine forces to annihilate Emperor of Darkness' Co-Dragons and blowing up their fortress. And in one of the manga versions, Tetsuya committed another Heroic Sacrifice to atone for what he had done.
  • Greek Mythology: Pretty much the theme of the main villains.
  • Gut Punch: In the Gosaku Ota manga the punches started when the Mycenae blew up a coast city after Great Marshall of Darkness replaced the former deceased Dragon-in-Chief. In a few episodes the Japanese army threw an attack against the heroes and their Home Base, Prof. Kabuto went through a Despair Event Horizon, the Fortress of the Science got destroyed, forcing the heroes to run away and lie low, the Mycenae burnt Tokyo to ashes, conquered Japan and crafted a Kill Sat, obliterating whole cities. Then you have the Final Battle. The heroes were busy building a new Home Base when the Mycenae army launch an attack. Misato gets sliced in half in front of Tetsuya as he is unable to do anything, Mazinger-Z and Great Mazinger are trashed, Prof. Kabuto dies to save Tetsuya, and in reaction Tetsuya, realizing it was his blame commits a Taking You with Me Heroic Sacrifice. The Final Battle in the anime version was not quite so brutal, but in exchange you had a scene where Prof. Kabuto dies in arms of his son Kouji.
  • Guys Smash, Girls Shoot: Tetsuya's robot's signature weapon are its fists. Jun's robot's weapons are its breasts missiles, optic rays and finger missiles.
  • Heroes Prefer Swords: Tetsuya was the one introduced the trope (combined with Dual Wielding!)in mecha shows.
  • Hidden Depths: Tetsuya appears to be a simple superior and arrogant "second Koji" at first sight. After some way through the series, his character begins to be shown to be MUCH deeper than what it is at first, including a Deconstruction of the same character Archetype that he introduced in mecha shows. Consider that most of this pages entry are about Tetsuya and his characterization and you get the idea.
  • Home Base: The Fortress of Science was the place where the heroes lived and their HQ to fight the Mycenae Empire. It stood out in sea beside the Japanese shoreline and it could submerge -doubling like an Underwater Base-. Some parts of the building could detach off the remain and work like a submarine or a flying carrier. Mycenae Empire Home Base was necessarily an Elaborate Underground Base because they were a civilization lived underground.
    • It also was parodied. In the second episode, Boss' gang were looking for a Home Base for his Humongous Mecha. When finally they found one, Boss was pretty angry it was nothing but a rundown shack with one wall crumbled and holes on the roof.
    • Island Base: Marquis Janus' Home Base was at once a Cool Ship (it was mobile and could swim or dive underwater), an Island Base (it was shaped like an island) and a Volcano Lair (an artificial volcano had been built in the center).
    • Volcano Lair: Like noted above, an artificial volcano had been built in the center of Janus' Island Base. Its eruptions could be set off and stopped at will. Often it was used to blast Great Mazinger with a rain of hot-molten rocks, debris and volcanic cinders in order to slow down its advance or hinder Tetsuya as he battled.
    • Underwater Base
  • Honor Before Reason: Tetsuya is very hotheaded, and he will always refuse running away even when it would tactical sense making so. Great General of the Darkness also wanted challenging Great Mazinger to a solo duel to redeem his tarnished honor.
  • I Control My Minions Through...: Great Emperor of Darkness was a God-Emperor, so he used Authority, Fear, Loyalty, Power and Divine Right. His minions were loyal and respected his authority because he had protected the whole Mycenae civilization when they were forced to hide underground, and because its power (in Shin Mazinger his real identity was Hades).
  • If It Swims, It Flies: Great Mazinger was also equipped to fly and swim, and faced the same problems its antecessor.
  • Impaled with Extreme Prejudice: Big Booster was a Jet Pack with a huge, retractable metal spike. One of the Tetsuya's favorite moves was throwing the Big Booster suddenly and impaling his enemy when it was flying.
  • Inferiority Superiority Complex: Tetsuya, very much. When you suspect your adopted sister will dump you for someone she barely knows, and at the same time get mad if someone questions your skills, you know you have this.
  • It's Personal: Fighting the Mycenae army was not a personal matter for Tetsuya... until Professor Kabuto died. THEN it became personal right away. In the Ota manga chapters, Tetsuya has a personal grudge against Marquiss Yanus after she tore Misato in half in front of him.
  • Jet Pack: Great Mazinger had a red Jet Pack folded from its back, and a second Jet Pack (Big Booster) docked with it. It was grey, with wide triangular wings, and was equiped with a spike to impale Robeasts. Venus-A also had an attachable Jet Pack, right like Mazinger-Z.
  • Jumped at the Call: Tetsuya has been a Mecha pilot most of his life. He devotes himself to his job, loathes the idea of being just normal and is perfectly right with having to kill giant monsters. However he used to be a lonely orphan little kid yearned for having a father. When Prof. Kabuto told him he would adopt him if he was willing to train to pilot a Humongous Mecha and defeat ancient bio-mechanical monsters from Beneath the Earth, Tetsuya agreed gleefully. Nevertheless, his obsessiveness combined with his abandonment issues, lacking of self-confidence and self-worth and a massively low opinion of himself (that he tried to hide behind of a mask of arrogance and pride) led to many troubles and finally to a masive breakdown. Jun also jumped at the call, but she managed to get it more together than him.
  • Kill Sat: Great Marshall Of Hell's giant lens of ice.
  • Kinetic Weapons Are Just Better: Mazinger mainly used beams and rays, but Great Mazinger forfeited the Eye Beams and replaced them with swords and a boomerang.
  • Latex Space Suit: The pilot suits.
  • Lava Adds Awesome: One of the weapons of Marquis Janus' Island Base was an artificial volcano built on the island could vomit rocks and lava when Janus needed.
  • Lost Technology: The Mycenae technology. It was seen for first time when Dr. Hell foudn an army of giant robots in the island of Bardos.
  • Luke, I Am Your Father: Throughout the series, Kouji and Shiro learnt Prof. Kabuto in reality was their father, Kenzo.
  • Luminescent Blush: Sometimes, for Jun or for Tetsuya when he was not busy playing the Chaste Hero.
  • Made of Indestructium: Just like Mazinger Z, Great Mazinger is made of Japanium, a rare metal can be found only in Japan. However Mazinger Z is made of Super Alloy Z whereas Great Mazinger is made of New Super Alloy Z, which is even sturdier and tougher.
  • Make My Monster Grow: Marquis Janus- could change size when needed. However usually she turned her Humongous Mecha into human-sized, so maybe it inverts the trope.
  • Maligned Mixed Marriage: Jun Hono is mentioned as having been bullied for being the child of a Japanese mother and an African-American father. This was especially notable for an anime during The '70s, when issues like racism were rarely discussed in the Japanese media at all, let alone in children's programming.
  • The Man Behind the Man: In Mazinger Z, Archduke Gorgon was apparently a Dr. Hell's ally. In the last chapters we learnt he was a Dragon with an Agenda was working for Great General of Darkness/Ankoku Daishogun. Likewise...
    • In the Mazinger-Z versus Great General of Darkness movie it is said the legions of Mycenae Warrior Monsters are commanded by Great General of Darkness. He seems to be the supreme leader of the Mycenae Empire. In first episode of Great Mazinger we learnt he is the supreme commander of the Mycenae army, and he is under the orders of the Emperor of Darkness (also known like Hades).
  • Midair Collision:
  • Mid-Season Upgrade: Great Mazinger got the Big Booster (a Jet Pack increased its speed and was endowed with a retractable spike could be used to impale enemies with) relatively late in the series.
  • Missing Mom: Both, Tetsuya and Jun are orphans and their adoptive father was a widower, so that...
  • Mission Control: Prof. Kabuto and the Fortress of Science's Brigde Bunnies provided assistance Tetsuya and Jun in their battles.
  • The Mole: The Mycenae Empire had a mole infiltrated among Dr. Hell's henchmen, Archduke Gorgon, and Marquiss Janus tried to infiltrate into the Fortress of Science once by pretending being an average human girl.
  • Monogender Monsters: Nearly all War Beasts were male. Maybe the only exception in the whole trilogy is Marquisse Janus, since her Humongous Mecha was clearly female-shaped.
  • Near-Villain Victory: This series provides several examples. Two of them stand out:
    • In the Gosaku Ota manga episodes, Great Marshall of Darkness sucessfully blackmailed Japanese army into destroying Great Mazinger and the Fortress of Science. The army bombarded the Fortress and stormed into the place before blowing it up completely, and the heroes were forced to flee and lie low for a while. Meanwhile, Mycenae army conquered Japan.
    • In the last episodes of the anime and Gosaku Ota manga, the Mycenae army struck the Fortress and in the manga, Marquis Janus traped Misato and cut her in half, and attacked Mazinger-Z and Great Mazinger separately. Kouji and Tetsuya nearly got killed, and Prof. Kabuto commited a Heroic Sacrifice to save Tetsuya. The generals of the Mycenae army laughed. Five minutes later they were not laughing.
    • Perhaps, to show how Darker and Edgier this series is, the first chapter of the manga that Tetsuya started becoming the main character already have this. Jun is kidnapped and become a hostage, resulted in Tetsuya being unable to attack, and even if he can, he cant see well thanks to the snowstorm. Its the victory for the villain for sure, had Boss didn't interfere during the fight.
  • Not So Different : Proud of their skills as a warrior, protecting their kinds, yet prefer to show their superiority in combat towards their enemy, admires someone who can math their own skills, and many more to list. Yes, the only difference that Tetsuya have against the Mycenae generals, especially Ankoku Daishogun is the fact that he is Human.
  • Once per Episode: In the same way and with the same purpose, Tetsuya shouted "Brain Condor!" and "Mazin Go". And Jun shouted "Queen Star On! Venus Go!" every episode after the third one.
  • Old-School Dogfight: Although Air Jousting was the favoured way of aerial battle, there were several dog fights between Tetsuya and other flying War Beasts.
  • OOC Is Serious Business: Tetsuya is serious, grim-looking and moody, and he seldom smiles. So when he grins, everyone freaks out and dons Oh, Crap! stares. Mainly Warrior Monsters, since it usually means they are about of dying horribly and painfully.
  • Orcus on His Throne: The Emperor of Darkness. He never left his throne in the Underworld, not even when all generals of his army were killed.
  • Papa Wolf: It is arguable if Kenzo was or was not a good father. It is not arguable when one his older biological son was about of being killed he sent a Humongous Mecha after the people was harming him. And when his adoptive son was about of being killed, he blew his assailant and himself up. Therefore, you do NOT want to threaten the lives of his sons.
  • Parental Abandonment: Tetsuya and Jun are orphans raised by Dr. Kenzou Kabuto.
  • Precision-Guided Boomerang: Great Mazinger's V-shaped, red chestplate that shot a heat wave was also a boomerang could slicing through a whole Robeast easily.
  • Promotion to Parent: Tetsuya and Jun take care of Shiro most of the time. Subverted because they didn't know for a long while that they were his adoptive siblings.
  • Proud Warrior Race Guy: The Mycenae. Many of them were warriors highly proud of their skills and eager for testing them, and their Robeasts were made by grafting into the body of a Humongous Mecha the brain of a soldier indoctrinated to fight and exterminate all non-Mycenae civilizations.
  • Razor Wings: Great Mazinger's Great Booster.
  • Red Is Heroic: Tetsuya's Latex Space Suit is red.
  • Red Oni, Blue Oni: Tetsuya and Kouji. Surprisingly, Kouji is the blue one, since he had matured somewhat in America and tried thinking strategically (not to mention having quite a lot of combat experience), whereas Tetsuya's jealousy turned him rash and impulsive.
  • Reforged into a Minion: Ironically Emperor of Darkness did this to Mazinger Z Big Bad Dr. Hell turning it into his newest The Dragon. It is ironical because Hell constantly turned reforged people into his minions.
  • Robeast: The Warrior Beasts.
  • Rocket Punch: Atomic Punch, later combined with This Is a Drill in form of Drill Pressure Punch.
    • Power Fist: And its fists are reinforced with cutters run along the forearms.
    • Hand Blast: Great Mazinger's Thunder Break. The Humongous Mecha gathered lightning bolts from the atmosphere and blasted its enemy with it. Tetsuya came up with a bunch of variations: Great Mazinger shot a continued stream of electricity from its forefingers, launched lightning bolts from its open palms -or fingertips-, powered up its sword with it...
  • Rule of Three: It was not so blatant like in the first series. Still, three Humongous Mecha fought the Mycenae. Great Mazinger, Venus-A and Boss Borot. Boss Borot was driven by three pilots: Boss, Nuke and Mucha. The Bridge Bunnies are three. Prof. Kabuto had three sons Tetsuya, Kouji and Shiro...
  • Sadistic Choice: It happened several times.
    • In one of the Go Nagai manga chapters a Warrior Monster was holding Jun hostage. Tetsuya did not dare to attack the Monster, but Prof. Kabuto ordered him throwing his doubt out and attacking (in spite of Jun was his adoptive sister, Battle Couple and Love Interest).
    • In the Gosaku Ota episodes, Great Marshall of Hell -Big Bad's second The Dragon- blew up one city and threatened with destroying Tokyo as well, unless the Japanese Government destroyed the Fortress of Science and all Humongous Mecha stored there. The Government gave in and destroyed the Fortress. Great Marshall turned Tokyo into a wasteland nonetheless.
  • Sculpted Physique: The Mycenae have bodies that are part organic, part mechanic.
  • Ship Sinking: Tetsuya / Misato. Misato was Boss' cousin and a secondary character during Mazinger Z last season. She also showed up in the Great Mazinger manga penned by Gosaku Ota. Even though he liked Jun, Tetsuya found himself attracted to her, but then she got brutally murdered by Marquis Janus. Tetsuya himself died shortly after commiting a Heroic Sacrifice.
  • Shock and Awe: Thunder Break, which is a directed lightning strike from Great's pointer finger. And later, Double Thunder Break which uses both hand to direct the lightning strike.
  • Sibling Rivalry: Tetsuya and Kouji were a pretty tragic example. Kouji was Kenzo Kabuto's biological son. When Kenzo got reunited with Kouji, Tetsuya believed his father would forget about him now his son by blood was back. He got very jealous and argued and fought with his adoptive brother about anything and everything, determined to prove to their father that he was the better than Kouji. Unfortunately, his jealousy and his bickering caused Kenzo's death. He suffered a Freak Out cause it.
  • Sibling Team: Tetsuya and Jun, being adoptive siblings, combined this trope with Battle Couple. Also, Tetsuya and Kouji when they fought together.
  • Sizeshifter: Marquis Janus could change size, although she -and her Humongous Mecha- became smaller instead of bigger (Justified since she was a spy and by dwarfing her mecha to human size she could blend between humans), so maybe it invers the trope.
  • Sliding Scale of Idealism vs. Cynicism: Even though it is darker and more cynical than Mazinger Z, this series is still plenty idealistic. Only mustering all of their courage, heroism, unwillingness to give up and belief in the humanity, he heroes were able to carry forward and win.
  • The Smurfette Principle: Jun Hono was the only female character between the heroes (and Marquiss Janus the only female member of the Mycenae high command. Then again, the remainder members were humans whose brains had been grafted into Humongous Mecha, so it was hard telling). That changed during the last chapters, when Sayaka was Back for the Finale and the male to female ratio became 3:2. In the Gosaku Ota manga, Misato again was a recurring character in the last arcs, so the ratio became 3:3.
  • Sniping the Cockpit: In the Mazinger trilogy aiming for the cockpit (clearly visible in Mazinger-Z and Great Mazinger) is a common tactic constantly employed by savvy villains... and the army when the Government turns on the heroes (which also is an alarmingly common occurrence). In fact, it happened in the first Mazinger-Z manga chapter. And in a Great Mazinger manga episode, a Warbeast is holding Great Mazinger still as Marquis Janus orders to snipe the cockpit. However, the likewise savvy Humongous Mecha builders had the cockpits specially reinforced to protect the pilot.
  • Speech-Impaired Animal: Bakarasu was a raven ("Bakarasu" roughly means "Dumb crow") Boss and his gang used as a lookout or a messenger. In return, Bakarasu mocked Boss, annoyed him and drove him mad. Bakarasu strangely could talk -and laugh, usually at Boss-, and theoretically it worked alongside Boss, Nuke and Mucha, but in reality it did whatever it pleased. It only had one appearance in Mazinger Z (episode 69), but he showed up in several Great Mazinger episodes.
  • Stay in the Kitchen: Often Tetsuya will taunt Jun saying if she can't put up with their harsh training then she should stay in the kitchen. Jun's retort is always swift and violent.
  • Stock Shout-Out : An inverted example. Reference and shout outs to Great Mazinger is pretty overused in suceeding anime.
    • During one arc of the Gosaku Ota manga, Tetsuya had to fight nine Mass-Production Great Mazingers were invading the Fortress of Science. Considering he is an arrogant HotBlooded Ace Pilot with huge confidence issues, is not a bad guy -he may be even nice- but is a jerk when he is angry... Does it remind you of anyone else?
  • Super Villain Lair: since the villains were an subterranean empire, their base was Emperor of Darkness' palace, and it counted like an Elaborate Underground Base.
  • Sword Fight: Great Mazinger was the first Humongous Mecha used swords like weapon (even before Voltes V or GoLion). Tetsuya was quite profficient using them, and he even did Dual Wield. Naturally he had several sword duels throughout the series, the most famous and most fondly remembered against Badass The Dragon Great General of Darkness.
  • Tagalong Kid: Shiro Kabuto, right like in the original series.
  • Tail Slap: Several Warrior Monsters (such like the whole Reptilian Warrior Beasts division) were endowed with powerful tails, capable to hit or coil around the enemy and strangle it. Often they had some weapon attached or shot missiles, acid or poison.
  • Take Over the World: The Mycenae were an ancient civilization had been forced to survive underground for millennia. Big Bad and Physical God Emperor of Darkness and The Dragon Ankoku Daishogun wanted to return to the surface world and let their people enjoy sunlight, fresh air and clean water, and they thought take over the world was the only way to achieve that.
  • The Team Normal: Boss and his gang -Nuke and Mucha-, right like they were in the original series.
  • 10-Minute Retirement: From all possible times, The Hero did this during the Grand Finale. Tetsuya had grown so jealous of Kouji, falsely believing everyone were going to replace him with Kouji and forget about him (for all his bluster, he has issues). Telling his attitude bit him in the butt is a gross understatement.
  • Technician vs. Performer: Koji and Tetsuya has a dinstinct way to pilot their own Mazinger. Koji is the Technician, who uses his weapons in normal way, such as Mazinger's Photon powered Eye Beam as a long range weapon, pure brute force and combine it with Combat Pragmatism. Tetsuya is the performer who combines his own Combat Pragmatism by using Great's wide arsenal of weapon in an unorthodox way, such as using Thunder Break as weapon infusion, Swords as Lightning rods, more directed version of Thunder Break, his surprisingly weird way of handling swords, and covering Great with the heat energy of Breast Burn.
  • Telescoping Robot: Great Mazinger stored one sword into each shin, several cutters blades along its legs, and the buckle-like glass adorning its midsection in reality was a hatch opened up to launch a missile from. Oh, and two wings and a Jet Pack unfolded from its back.
  • Thematic Rogues Gallery: The Mycenae's Warrior Beasts, split in seven thematically-organized divisions: the armies of Superhumans, Evil Ghosts, Mammalian, Avian, Aquatic, Insect and Reptilian Battle Beasts.
  • This Is Unforgivable!: Right like his predecessor, Tetsuya was prone to spout this line when he got angry.
  • Those Two Guys: Nuke and Mucha, best friends and tag-alongs of The Rival and Butt-Monkey Boss long before the start of the series. Before meeting and befriending Kouji Kabuto they were two average, ordinary high-school students, but after meeting him their daily life includes battles between Humongous Mechas, fighting or fleeing from armies of Mooks, sneaking into enemy secret bases and basically surviving. Often they get -unwillingly- dragged -by Boss- in Kouji's adventures, and they provide with the rational counterpoint -and lampshading- to any stupid stunt Boss has come up with. Later in the series Boss got himself a Made Of Junk Humongous Mecha and required that they helped him to pilot it -much to their chagrin-. In Great Mazinger their situation did not get more normal, that with the monsters from Beneath the Earth invading the surface world bit and Boss demanding they help him to fight them like part of an absolutely helpless plan to woo Tsundere Jun Hono -Love Interest of The Hero Tetsuya, whom Boss can not stand-.
  • The Three Faces of Adam: Prof. Kabuto is the prophet (reinforced in he pretended being a prophet in a feature), Tetsuya is the lord and Shiro is still the hunter, encouraged by Jun to become a lord.
  • Throwing Your Sword Always Works: Tetsuya sometimes uses his robot's sword like a spear (the first time he did that was during his first appearance!). However, he holds it overhead like if it was a real spear when he does that, giving more verosimilitude to the action.
  • Token Minority: Jun is a half-black female lead *and* the love interest for the main character, reasonably impressive for a 1970s Japan kids' show.
  • Tokyo Is the Center of the Universe: Subverted. For start with, the Headquarters of the Fortress of Science are not located in Tokyo on the Japanese shore. Therefore, the enemy feels not compelled to exclusively target and attack Tokyo. A lot of Japanese cities are destroyed, and in the Mazinger Z versus Great General of Darkness, the Mycenae army struck New York, Londres and Moscow before striking Tokyo.
  • Tsundere: Mazinger Z had Sayaka, Great has Jun. Both of them have little patience when The Hero goes stupid. Jun, however, also has her own problems to deal with...
    • And this time, Tetsuya himself. He bickers a lot with Jun, but on the inside, he cares for her in more than brother sister manner (they are adoptive siblings in case you forgot).
  • Two-Faced: Marquis Yanus has a human-looking face she uses to blend among humans and her true face, located on the "back" of her head. When she wants to switch to her true face, her neck turns one-hundred-degrees and her locks part sideways, revealing a demoniac face underneath it (She seems a demon or a Hanya). It is so nightmarish like it sounds.
  • Unbuilt Trope: Tetsuya is not only similar, he is EXACTLY what Asuka is made to deconstruct, word for word. He is a Hot-Blooded Ace Pilot that is so arrogant that anyone that questions his skills will have a trouble with him. That same arrogance also made him bickering with Jun, and Tetsuya Would Hit a Girl even though Jun is both his Love Interest, his Battle Couple, and adoptive sister. On the other hand, he has a massive inferiority complex, and his lacking sense of self worth and constant fear of being replaced became FAR more apparent after Koji's return, which caused so many problems that later resulted in Kenzo's death.
    • And, much like Asuka Langley Sohryu, he had to pay a very heavy prize to learn his lesson.
    • And in one of the Great Mazinger manga back in the seventies he had to fight nine Mass-Production Great Mazingers... Yes, he is Asuka's template, definitely.
  • Unexplained Recovery: At the second-to-last episode, the Cool Airship where Dr. Hell was escaping got blown up. Whatever got left from him after that explosion surely sank in the ocean. Nonetheless he showed up again in the last season, his body grafted into a Humongous Mecha. One eyepatch covering his left eye was the only mark of the ordeal he had endured. Little explanation was given other than an statement of Emperor of Darkness had relived him and turned into one of his Warrior Monsters (and high commander of his army). It can may be worth mentioning many Mazinger-Z characters returned in the last episodes from the sequel, so maybe Executive Meddling was involved.
  • The Unfavorite: Kenzo Kabuto had two biological sons (Kouji and Shiro) and two adoptive children (Tetsuya and Jun). Although Tetsuya was clearly his favorite, he still showed he cared for Kouji and Shiro. However, he got Jun completely neglected, treating her like a soldier, not making anything about her feelings of abandoment and her inner tensions, and he seldom shown he cared for her. It went so far that, before dying after his Heroic Sacrifice he pleaded Kouji that he treated Tetsuya like his brother and took care of Shiro... but he did not mention Jun at all. Nonetheless, his attitude drove Jun to think she could not be dependant on someone else and to develop a very strong-willed and self-reliant personality.
  • The Unfought: The Emperor of Darkness, outside of an episode of a manga version of UFO Robo Grendizer and the Super Robot Wars Alpha games has never been fought, which is odd considering he's the Big Bad.
  • Ungrateful Bastard: Tetsuya and Jun recieve the same kind of gratitude and regard Kouji and Sayaka received for their world-saving efforts - none. Or even worse. In the manga episodes penned by Gosaku Ota -one of the Go Nagai assistants-, Great Marshall Of Hell warned he would blow Tokyo up unless the Home Base and the Humongous Mecha of the heroes were destroyed. People demanded the Government yielded... And they did. The Fortress of Science was destroyed, and Tetsuya and his allies were forced to flee and lie low for a while. During that time they had absolutely NO help to try and keep defending the humankind. They got many insults, though.
  • Unresolved Sexual Tension: Tetsuya and Jun. You would think the issue of them being adoptive siblings would be the main issue, but it is not. Tetsuya is an Oblivious to Love Idiot Hero FULL of issues -he is the Trope Maker for Broken Ace, Jerkass Woobie and Inferiority Superiority Complex in Humongous Mecha anime-, and he is obsessed with piloting Great Mazinger and fighting the Mycenae Empire because he thinks if he does not, his life will be worthless and his adoptive father will love him no longer. Hence, he is unable to notice Jun's very obvious advances and flirting. And Jun is a Tsundere with plenty issues herself and little tolerance for oblivious fools. So they keep their Belligerent Sexual Tension throughout the entire series.
  • Unusual Weapon Mounting: Great Mazinger's crotch is a missile launcher. Venus-A, of course, has Torpedo Tits, Eye Beams and Finger Firearms.
  • Unwanted Assistance: Jun was a Action Girl with a worth-of-years extensive training like mecha pilot and martial artist. Likewise, Venus A was clearly more powerful than the Mazinger Z Fem Bots). During her first mecha battle she fought the Mycenae War Beast skilfully, gaining the upper hand several times. She could have won... if Boss would have not gotten in the way EVERY TIME she was about of finishing the Robeast off, telling her girls should not fight and he would look after the Mycenae monster. Whenever she managed to shove him off, the War Beast had recovered and she had to begin again. The ironical part is Boss thought he was being chivalrous, charming and kind instead of an offensive and hindering nuisance.
  • Use Your Head: Tetsuya is an even bigger of an offender than Kouji with this.
  • Villainous Breakdown: Great Marshall Of Hell -The Dragon of the second season- also had several of them at the end of series, mainly in the Gosaku Ota manga continuity. His expression and subsequent fit when Venus-A shot the flying fortress Mykeros down was particularly beautiful.
  • Walking Spoiler: Kenzo Kabuto.
  • "Well Done, Son!" Guy: Tetsuya was an orphan with a ton of abandonment and self-confidence issues. He constantly and gleefully risked his life on a daily basis by fighting ancient, giant monsters from Beneath the Earth so his adoptive father approved of him. Kenzo actually was proud of him, but he hardly thought of telling Tetsuya that, being more concerned with disciplining him when Tetsuya did or said something stupid (and since Tetsuya was a Jerkass Woobie and an Idiot Hero, it happened frequently). Because it, Tetsuya was always deadly frightened of losing his father if he was not good enough, and he got a breakdown at the end of the series when he thought it might happen.
  • Wham Line:
    Kenzo: "He’s crying. My son is… My son…! Kouji Kabuto…!"
  • Why Did It Have to Be Snakes?: Tetsuya and his hate of birds.
  • The Worf Effect: Tetsuya was established in both series as an excellent Humongous Mecha Ace Pilot, Blood Knight Combat Pragmatist and highly competent, Hot-Blooded Badass. In the reimaginings (Mazinkaiser and Shin Mazinger) how do you show the situation at hand is dangerous and the villain a serious threat? Simple. Pit Tetsuya against said villain and injure him or make him struggle. This trope is also used in Mazinger Z: Infinity: How do you take the alternate Dr. Hell and his plan seriously? Watch him and his army turn Tetsuya into a Badass in Distress.
    • Venus A was also used like a punching bag by the Mycenae Warrior Monsters when it was needed to show how terrible they were.
  • Worthy Opponent: Tetsuya and Ankoku Daishogun. And its mutual. Some of the Mycenae general also view Tetsuya as a opponent that worth fighting against.
  • You Killed My Father: It happened in the last episode to Kouji and Tetsuya, and they went on a Roaring Rampage of Revenge because of it.


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