Characters / Ultraman Trigger New Generation Tiga GUTS Select

Ultraman Trigger: New Generation Tiga Main Character Index
The Giants of Light | The Dark Giants | GUTS Select | Kaiju and Aliens | Other Characters

This is a partial character sheet for Ultraman Trigger: New Generation Tiga. Visit here for the main character index. Subjective trope and audience reactions should go on the YMMV page.

The Expert Team GUTS-Select

Anti-Monster Battleship Nursedessei

The Multipurpose Unmanned Convertible Droader GUTS Falcon

The Shizuma Foundation, a private Foundation operating on a global scale, was founded by Mitsukuni Shizuma for the betterment of society. It is currently on the forefront of Space Exploration and Extraterrestrial Archeology. Through his archeological research, Mitsukuni found evidence of a dark power that would threaten the Earth, and so he formed the TPU (Terrestrial Peaceable Union) to stand up against this impending threat.

In General

GUTS-Select is the name of the expert team formed within the TPU, serving as this series' attack team.

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• Airborne Aircraft Carrier: The Nursedessei which houses the GUTS Falcon and serves as a base for the team.
• Alternate Self: Of the original GUTS, being a monster-fighting team with many members who have connections to the Giants of Light. As it turns out, this status was very deliberately arranged by Mr. Shizuma as he based the team on his own old attack team.
• Badass Crew: Comes with the territory of being based off of the original GUTS Team of Tiga. They're a monster-fighting team with high tech weapons and vehicles.
• Contrasting Sequel Protagonist: While STORAGE is primarily based on fighting Kaiju with mechas, GUTS Select employs more traditional dogfighters and the members themselves taking to the battlefield with their handguns. Furthemore, both teams have alien technology originally belonging to alien races that debuted in Ultraseven that were reverse-engineered to assist the organization's purposes (King Joe and Nurse), however while King Joe is the latest mech to be added to STORAGE's arsenal, Nurdessei is the earliest one. Finally, while King Joe initially underperforms as a result of humanity's unfamiliarity with alien tech, GUTS Select has an easier time using Nurdessei thanks to Marluru's expertise in alien tech due to being an alien himself.
• Cool Ship: The Nursedessei a colossal carrier base that can function as an attack ship as well.
• Cool Plane: The GUTS Falcon, a remotely-piloted advanced plane fighter that can fight monsters on equal grounds.
• Hero of Another Story: In Ultraman Decker the old guard of GUTS Select fight the Spheres in the Mars Colony after being stranded there (besides Yuna who got trapped on Earth instead). Kengo leaves for a while to focus on stopping the returning Megalothor in the seventh and eight episodes.
• Identical Stranger: A non-person example, they have an uncanny and initially unexplained resemblance to the original GUTS team from Ultraman Tiga; eventually Episode 9 revealed that this was because Mr. Shizuma deliberately modeled them after the original GUTS since he was once a member of that team before he was stranded on Trigger's Earth.
• Mythology Gag:
  • Nursedessei is a fusion of GUTS' Artdessei carrier and the robotic dragon Nurse from Ultraseven, while also serving a similar function to the Aerial Base from Ultraman Gaia. Episode 15 sees it gaining the capacity to transform into a "Battle Mode" that is functionally identical to Nurse.
• Innocent Aliens: The team has one in the form of Alien Metron Marlulu, and the only member of the team who is not a human.
• Reassigned to Antarctica: Ultra Chronicle D has a subplot focusing on Marlulu preparing for the core team to be transferred to Mars. In Ultraman Decker we see that the members have been forced to splinter off from the rest of GUTS Select in order to protect the humans on Mars from the Spheres that isolated the planet.
• La Résistance: In Ultraman Decker they've been delegated to this following the Spheres' takeover of the Mars colony, with Trigger's help they've kept the invasion and casualties at a minimum but it's clear that the old GUTS Select team as a whole is nowhere near as armed as before and mostly go up against lopsided odds not in their favor.
• Surprisingly Realistic Outcome:
  • Powering something like the Nursedessei into a fully-fledged attack mecha isn't possible at all with the current energy outputs that humanity's efforts can bring out, thus necessitating the team to obtain energy from the god-like Absolutians in order to obtain enough power to allow its Battle Mode to work.
  • On a more humorous note, transforming into Battle Mode causes everything inside the Nursedessei that isn't anchored firmly in place to be knocked over, as evidenced by how Akito's lab is a mess after its first transformation.
• Transforming Mecha:
  • The GUTS Falcon can turn from its standard "flight mode" aircraft to its robotic "hyper mode" used for combat against monsters. Himari controls it from the Nursedessei using her VR goggles.
  • As its glaring Kibbles and Bits indicate, Nursedessei turns into a serpentine dragon modelled after Nurse from Ultraseven.

Kengo Manaka

Portrayed by: Raiga Terasaka

The protagonist of the show, he transforms into Ultraman Trigger. He’s 21 years old. With a sociable, kind, and hard-working personality, he has a fiery sense of justice that compels him to fight to protect humanity’s smiling faces.

He lived peacefully as a botanist on the Mars colony caring for many plants but especially his martian soil-grown favorite one, R'lyeh, until the day he had a vision of Yuzare followed by a fateful encounter with the Giant of Light, Ultraman Trigger and inherited the hero's light to fight the rising threat of the Dark Giants.

Although feeling uncertain with the sudden changes that are happening to him, he heads to Earth to become the newest recruit of the expert team “GUTS-Select”.

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• Aliens Among Us: A variation. Kengo is technically Trigger's reincarnation due to his light turning into a baby.
• All-Loving Hero: He's an all around nice dude who's all about protecting people's happiness. He even starts showing sympathy and empathy towards the Dark Giants, Darrgon and Carmeara once he starts seeing their more humane sides.
• Alternate Self: Of Daigo Madoka, the human host of an ancient Ultraman who sealed a trio of Dark Giants 30 million years ago and saved the world as well in that time.
• By the Power of Grayskull!: After loading one of Trigger's Hyper Keys into the GUTS Sparklence, and opening it from its Hyper Gun Mode to Sparklence Mode if he's transforming from Kengo to Trigger, announces a form-specific phrase, before transforming or form-changing.
  • Multi Type: "Build the future, the light of hope!"
  • Power Type: "Seize the victory, the light of strength!"
  • Sky Type: "Dominate the sky, the light of speed!"
  • Glitter Eternity: "Illuminate the universe, the Ultra-ancient light!"
• Came Back Strong: Once he comes back to the present after realizing his true relationship with Trigger, he gains the ability to transform into Trigger by himself, allowing him to fight off his revived Evil Counterpart.
• Caring Gardener: Takes care of various plants, especially his favorite martian-grown plant R'lyeh, and is also a kindhearted and caring man for others even those he doesn't knows much about.
• Catchphrase: "Smile, smile!".
• The Chosen One: Appears to be Trigger's chosen host, which is implied by how Mr. Shizuma personally made sure Kengo had the means to transform into Trigger when he finds the hero's statue and Golba attacked. Episode 12 reveals that he is Trigger's chosen host because he's Trigger's reincarnation.
• Contrasting Sequel Protagonist: While Haruki Natsukawa was a hot blooded karate expert with an excitable and fight-happy personality, Kengo is a calm botanist with a sweeter personality.
• Disappeared Dad: While his mother appears in the pilot episode and occasionally shows up during the series, Kengo's dad on the other hand is never mentioned. This eventually turns out to be because he doesn't have one; Kengo's mother found him as a baby 21 years ago while excavating Trigger's statue in the ruins.
• For Happiness: He wants to make everyone in the world smile and protect every smile there is. The threat of the Dark Giants motivate him to join GUTS Select to continue his wishes.
• Heroic Sacrifice: Becomes one with the Eternity Core to stop it from destroying the universe. Episode Z sees it undone by Zabil as part of the latter's gambit.
• Inadequate Inheritor: What Akito perceives him as, seeing Kengo's lack of fighting experience and hesitation to be a disservice to Trigger's power. Though Kengo gets better as the series progresses.
• Idiot Hero: He easily falls for Ignis's psychological 'don't push this button' trap in episode 22. However, it is mostly subverted since prior to becoming Trigger, he was already a botanist who was smart enough to create R'lyeh, a special plant intended to survive on martian soil.
• Morality Pet: Implied to be this for Trigger, having been the one who introduced him to the light. Of note is that when Kengo is separated from the Giant, he succumbs to the darkness once again and becomes even worse than in the past as he turns into a mindless berserker.
• Moses in the Bulrushes: The last two episodes eventually reveals Kengo's heritage, where he was found as a baby by his mother, an archeologist, while excavating the Martian ruins.
• Nice Guy: A very laidback, helpful and good-hearted person who wants to make everyone smile and protect life.
• Secret-Keeper: In ironic fashion, he becomes this after being told by Chairman Shizuma and Akito to keep Yuna's identity as Yuzare's reincarnation a secret from her. He only drops this aspect once Yuna and everyone else in GUTS Select is informed of the truth
• Sympathy for the Devil: Episode 19 shows that he's started to develop empathy for Carmeara, commenting on her legitimate sadness over losing her beloved Trigger (Dark), and just how miserable she is over it. He even comforts her in her final moments as Trigger. Ultraman Decker goes further with this showing that Kengo feels guilty about her death and failing to make her happy.
• Reincarnation: Episode 12 and 13 reveal and clarify that Kengo is Trigger's inner light reincarnated into a human.
• Sensitive Guy and Manly Man: The Sensitive to Akito's Manly, as Kengo is a botanist with a soft personality, cheerful attitude and a talent for making friends.
• Something about a Rose: In the fifth episode, "Akito's Promise" he gifts Akito a white rose while trying to reason with him.
• Taking the Bullet: In the first episode he uses himself as a shield to protect Trigger's statue from Carmeara's attacks, not relenting even when Carmeara comes close to killing him.
• Talking to Plants: Occassionally talks to his special plant, R'lyeh, sometimes to encourage it and others when mentioning how it's the plant he's been able to grow on martian soil.
• Transformation Trinket: He can transform into Ultraman Trigger by inserting the GUTS Hyper Key into his GUTS Sparklence.

Yuna Shizuma

Portrayed by: Runa Toyoda

The esteemed daughter of the Sizuma Foundation CEO, she is a talented young woman who has received a privileged education from a young age. She is a young female team member of GUTS-Select who contributes to the expert team in a myriad of ways in their fight against Monster attacks. But beneath it all lies a regular high school student.

As the instructor for new GUTS-Select recruit Kengo, Yuna will spend a lot of her time working alongside him.

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• A Birthday, Not a Break: Even in her 18th birthday taking place in episode 9, Yuna finds herself menaced by the Dark Giants' machinations. In addition to her getting a lot of revelations about her father's past and her connection to Yuzare.
• Apocalypse Maiden: She is the descendant and reincarnation of Yuzare, guardian of the Eternity Core that the Dark Giants seek to conquer the Universe. She is unaware of this.
• Badass in Distress: She's no less capable than her teammates in a fight, though "The Ultra-Ancient Light and Darkness" sees her getting kidnapped by Hudram and also nearly kidnapped by Ignis as well.
• The Chains of Commanding: During the events of Ultraman Decker she was forced to take over her father's company after the Sphere took over Earth and enclosed it, she had to repress her feelings and couldn't truly be herself for the sake of everyone's lives. When Kengo returns and she enters his room for a talk, she is happy to lighten up and tell Kengo just how bad she's missed him.
• Childhood Friends: With Akito, with her father taking the latter under his wing after his own parents died.
• Composite Character: Her characterization takes after both Rena Yanase and Megumi Iruma, like Rena she's a young member of GUTS who grows close to the protagonist and like Iruma she's connected to her world's Yuzare and even houses the spirit of the long-deceased woman and is her descendant on top of it.
• Dude Magnet: She's gotten the romantic affections of Akito, Ignis and Darrgon.
• Heroic Lineage: Turns out she's a biological descendant of Yuzare, with her mother being fully aware of this. She gets to learn about it in the ninth episode.
• Identical Grandson: Looks almost the same as her ancestor, Yuzare, only with raven hair and brown eyes instead of white hair and blue eyes.
• MacGuffin Super-Person: Since she houses Yuzare's spirit, she's this to the Dark Giants by extension who seek to bring out Yuzare so they can obtain the Eternity Core.
• Morality Pet: Becomes this to Darrgon who after falling in love with her becomes protective of her to a certain degree, as the series progresses he even goes as far as saving her and Akito from a falling Zaragas and in episode 23 is able to briefly fight off Carmeara's brainwashing in order to stop himself from harming Yuna, long enough to request being killed.
• The Not-Love Interest: While she's something of a counterpart to Rena Yanase, she hasn't been hinted at being romantically involved with Kengo thus far.
• Locked Out of the Loop: Is unaware of her status as the reincarnation of Yuzare, with Akito and her father making sure she doesn't knows out of concern for her safety this leads to her being extremely confused when the Dark Giants refer to her as "Yuzare". She starts to cotton on starting with episode 8, wherein she realizes that she used a power she doesn’t understand. By the latter episodes she eventually starts to learn how to control these powers.
• Significant Double Casting: Runa Toyoda plays both Yuna and Yuzare, and this is because Yuna is the reincarnation of Yuzare.
• Split-Personality Takeover: Yuzare can take control whenever Yuna is endangered, though starting from Episode 9 Yuna starts being able to summon her at will.
• Secret-Keeper: Becomes this after being told by Akito that her rookie, Kengo is Ultraman Trigger
• Wake Up, Go to School & Save the World: Due to still being a high schooler she has to juggle between school life and working in GUTS-Select.
• Walking Spoiler: Her identity as Yuzare's descendant and everything around the revelation are a big part of her character in later episodes.

Akito Hijiri

Portrayed by: Shunya Kaneko

Akito is the team member in charge of development at GUTS-Select, a team of experts that responds to monster attacks. Possessed of genius-level intelligence, Akito designed and developed the GUTS Sparklence, Kengo's transformation item, along with the GUTS Hyper Keys and various other gadgets and vehicles used by GUTS-Select. Valued for his uncommon talents by the chairman of the Sizuma Foundation, Mitsukuni, Akito works as a genius engineer while attending the same high school as Mitsukuni's daughter, Yuna, who he grew up with and has a slight crush on.

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• All Love Is Unrequited: He has strong feelings for Yuna, but since she loves him as a brother the feelings are not reciprocated.
• Catchphrase: He often tells people to shut up with "Save it." (At least, that's how it's translated in the official English subs.)
• Childhood Friends: With Yuna, having grown up alongside her and being raised by her father.
• Child Prodigy: "Akito's Promise" reveals that even as a child he was a scientific genius who helped his parents and Mr. Shizuma develop (actually modify) a GUTS Wing unit.
• The Chosen Wannabe: He wanted to become Ultraman Trigger and was heavily frustrated to find out he wasn't the one chosen for that purpose, growing to heavily resent Kengo.
• The Comically Serious: His serious, no-nonsense demeanor often leads to him sticking out like a sore thumb when paired up with Kengo or being comedic without meaning to as he reacts to the antics going on around him.
• Crazy Jealous Guy: Anyone getting close to Yuna both physically and emotionally does not elicit a good reaction from him.
• Dark and Troubled Past: Both of his biological parents died at the hands of Deathdrago, which traumatized him heavily and helped shape him into the somewhat distant and cold person he is nowadays.
• Defrosting Ice King: At first Akito wants little to do with Kengo and isn't shy to tell the latter how much he detests him for being Trigger's host, rationalizing that it should've been him instead. By the end of the second episode he warms up a bit to Kengo, though some resentment is still implied and later shown to be there. It takes until the latter half of the show for Akito fully warm up to Kengo and accept his friendship.
• Gadgeteer Genius: He designed the Nursedessei, reverse-engineered the GUTS Sparklence from the original Ultra-Civilization artifact, and developed the Hyper Keys. Throughout the series he helps out develop new gadgets for the team as well.
• Green-Eyed Monster: Downplayed. But jealously is one notable flaw of his and it tends to get the better of his temper when no one is around to calm him down.
• Happily Adopted: Chairman Shizuma took him in after the death of his parents at Deathdrago's hands and raised him as his son, and Akito cares enough about his parental figure enough to keep secrets such as Kengo and Trigger being one and the same in spite of his initially barely conceited disdain for Kengo because the Chairman asked him to.
• It's Personal: Considered Deathdrago a personal enemy because of the kaiju being responsible for his parent's deaths when he was a kid.
• Jerk with a Heart of Gold: He's outwardly cold and detached, but legitimately cares for his friends and even warms up to Kengo over the course of their first meeting, even if he still resents him. He also cares enough about Chairman Shizuma to keep his promise of keeping Kengo's identity as Trigger a secret from the rest of his team.
• The Resenter: Resents that Kengo was chosen to be Trigger's host and initially acts hostile to him over it. He tones it down into cold distancing later on before fully accepting him as his friend.
• The Rival: To Kengo within GUTS, partly due to resenting that Kengo became Trigger's host. While he warms up to Kengo after bonding with him a bit, it's later shown that he still resents him to an extent for being Trigger's host and though it doesn't goes farther than him being outwardly cold and dismissive of Kengo, it still is very much present. It takes until the latter half for him to drop this animosity.
• Secret-Keeper:
  • He built the GUTS Sparklence gun and recognizes that Kengo is the one using the only copy that can change into Sparklence Mode to become Trigger, but keeps quiet at Chairman Sizuma's request.
  • Like Chairman Shizuma he also knows that Yuna is Yuzare's reincarnation and is keeping it a secret from her. He drops this part once Mitsukuni himself requests him and Tatsumi to come clean about it.
  • Similarly, he was also aware of Mr. Shizuma being from the Neo Frontier Universe, only coming clean about it once Mr. Shizuma himself requested Seiya to reveal the truth.
• Sensitive Guy and Manly Man: The Manly to Kengo's Sensitive. Akito is a rude, aloof and sarcastic person who prefers action over all else and isn't one to quickly make friends.
• Sugar-and-Ice Personality: His personality has bouts of both cold detached behavior and warm, kind moments; the former moments are mostly reserved for Kengo and the latter are more reserved for Mr. Shizuma and Yuna.
• Teen Genius: Akito is only in high school, yet he invented the entire GUTS-Select Arsenal and creates Trigger’s unique Hyper Keys for Kengo’s use.
• Tsundere: A big one towards Kengo. Akito at first is at best dismissive of him, then after bonding for a while starts warming up to him but still keeps an emotional distance from his teammate, the latter half of the series has this animosity die down as Akito comes to genuinely accept Kengo's friendship to the point that he is on the verge of tears when Kengo sacrifices himself to save the universe in the finale.
• Virtuous Character Copy: He initially fills in a similar role to Ultraman Tiga's Keigo Masaki being a chosen wannabe who resents that the protagonist got the powers of the titular series' Ultra. But while Masaki is a selfish monster who eventually gets better, Akito is merely legitimately concerned about Kengo possibly endangering people with his inexperience and ultimately manages to warm up to the latter to a degree instead of letting the obsession consume him and turn him into a monster, ending the series as Kengo's best friend alongside Yuna.

Tesshin Sakuma

Portrayed by: Tadashi Mizuno

A master pilot, or rather “muscle” pilot who drives the 40-meter class giant battleship, Nursedessei. Tesshin is a muscle-bound fitness nut who can be almost swelteringly hot-blooded. He tends to have a poor sense of personal space, earning the ire of Akito. However, he isn’t the type to emphasize hierarchical relationships and is extremely frank with the rookie Kengo, earning him esteem as a sort of older brother figure.

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• Big Brother Instinct: As one of the oldest members of GUTS Select he tends to act like a big brother to newer or younger recruits such as Kengo.
• Butt-Monkey: He can often be the victim of slapstick and/or misfortune, such as being knocked out by Ignis.
• Dumb Muscle: Downplayed. He isn't shown to be "dumb" per se, but he's a lot less keen on thinking actions and prefers to just do them or focus on raw strength himself.
• Leeroy Jenkins: When Ignis invades the Nurdessei, Tesshin takes his chance to charge against the bounty hunter alien without missing a beat, and gets easily beaten and stunned for his troubles.
• Lovable Jock: He's all about physical strength and is very sports enthusiastic, he's also very nice to his teammates and is very welcoming to newcomers like Kengo.
• Strange Minds Think Alike: Often ends up thinking the same things as Kengo does without communicating with his fellow team member.

Himari Nanase

Portrayed by: Meiku Harukawa

An operations specialist who controls the combat mech GUTS Falcon. A cool beauty who looks great in glasses, she is always calm and collected. A woman of few words, she gets on with her tasks silently with a look of indifference. However, the moment she sits in the control chair of the GUTS Falcon and dons her VR goggles her personality drastically changes, and we see a glimpse of a passionate fire that is the opposite of her day-to-day persona.

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• Companion Cube: She seems to have this relationship with the GUTS Falcon. She even refers to it as Falcon-chan.
• Deadpan Snarker: Isn't one to pass up the chance to snark at her teammates, episode 9 even sees her making fun of the fact that Akito's birthday gift to Yuna is a jeweled tazer.
• Gamer Chick: After thinking she's won the lottery in Episode 18, she mentions buying a new game console and gamer chair with the money.
• Nerd Glasses: She wears a big pair of glasses that serve as a visual cue for her nerdy interests.
• Not So Stoic: She normally doesn't shows any emotion, but when she gets the chance to employ the GUTS Falcon against Gymaira, she excitedly screams as she fights her opponent.
• Stoic Spectacles: Her glasses reflect her cool demeanor.
• Tomboy and Girly Girl: The Tomboy to Yuna's Girly Girl being a guns-blazing, trigger-happy and dead-serious woman who only shows outbursts of emotions when given the chance to let loose with weapons. Her status is even lampshaded by Marluru and Tesshin who both wished there was more of a "femenine" air in GUTS Select, unaware that she's listening to them.

Seiya Tatsumi

Portrayed by: Katsuya Takagi

Captain of expert team GUTS-Select. The Captain is known for his ability to unite men, women, children, seniors – all beings on Earth and throughout the universe, as well as for his perfect balance of strictness and kindness. From the command center of the anti-monster battleship Nursedessei, he brilliantly leads an elite crew with strong, diverse personalities, including Kengo, Yuna, Tesshin, Himari, and Marlulu.

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• Awesomeness by Analysis: Episode 14 heavily implies that he figured out Kengo's identity as Trigger from tending to his injuries and realizing Kengo's injuries matched with the parts where Trigger was hit by attacks from Darebolic.
• The Captain: Functions as GUTS Select's field leader standing only below its founder, Mitsukuni Shizuma, in terms of authority.
• The Comically Serious: Expect him to remain straight-faced in any situation, no matter how dire or silly. A notable example is when he and his team are taking care of the Dada infection as he stares with a blank expression at his team doing work while Ignis tries messing with him with a scalp massage tool or in episode 9 when throwing a birthday party for Yuna and treating it as Serious Business as well.
• Da Chief: While Mr. Shizuma is the founder of the company backing up GUTS-Select, Seiya serves as the charismatic leader who ensures the team saves the day.
• Decomposite Character: With Yuna taking some traits of Captain Iruma due to housing Yuzare's spirit, Seiya takes on the role of the team captain that Iruma had in Tiga.
• Nerves of Steel: Even as his base is taken over by the Dada virus, he maintains a calm demeanor as the team makes sure to purge out the invaders.
• Not So Above It All: He's for the most part a calm, collected and serious captain. Yet episode 18 shows that under the right circumstances even he can crack and turn downright hysteric, such as when GUTS Select ends up rather chaotically divided when their dreams are slowly ruined one-by one and then when he sees that his supposed Rank Up was just a medical notice indicating him to have a bad liver he is on the verge of crying.
• Rank Up:
  • Episode 18 begins with him being promoted to head of GUTS-Select’s Asia branch. Subverted, in that this turns out to be a hallucination.
  • Played straight in the Time Skip leading up to Episode Z, wherein he has been transferred to the TPU intelligence department.
• Reasonable Authority Figure:
  • While he reprimands Akito for his attitude towards Kengo, he makes sure not to go overboard with his callout and simply makes sure to help both of them get along so they can do things as a team.
  • Though he's initially working under government protocols that lead to distrusting Trigger, he eventually makes the conscious choice to assist the Giant of Light in his fight against Hudram and all that follow.
  • When Akito nearly risks civilians in his blind rage trying to fight Deathdrago, Seiya gives him a penalty by suspending him from serving in GUTS Select, and nothing else, knowing how deeply personal Deathdrago is to Akito. When Akito helps defeat Deathdrago and save Yuna from Darrgon, all he does is extend the suspension for a further three days, rather than discharging him for breaking his suspension.
  • When he hears Yuna and Kengo are taking a different lead away from the rest of the team in episode 15 he lets it slide, presumably as a result of figuring out Kengo is Trigger. He does call them for some scolding after it's all over and done, however.
• Screw the Rules, I'm Doing What's Right!: When given orders by the government to distrust Trigger, Seiya eventually decides to defy them with some convincing from the other members to help the Giant of Light against Hudram.
• Secret-Keeper: He turns out to have been aware of Yuna's identity as Yuzare's reincarnation and descendant and Mitsukuni being from an alternative dimension, having been told to keep quiet by Mr. Shizuma and only revealing it once his boss tells him to.
• Secret Secret-Keeper: Episode 14 heavily implies that he was fully aware or at least figured out Kengo is Trigger from tending to his injuries, but like Akito keeps quiet about it and Kengo was none the wiser to this until the finale.
• The Stoic: When he wants to be serious and remain straight-faced, he'll do so; even with the stress of a Dada attack and Ignis trying to screw with him Seiya remains calm and collected through the process of dealing with the virus. Even a birthday party isn't changing his expression.
• Team Dad: As the eldest member of the team sans Tesshin and Himari and the most mature, he usually takes a parental approach to his authority towards his teammates.
• Worthy Opponent: Seems to regard Ignis as this, given the respectful look he and the alien exchange in their battle.

Alien Metron Marluru

Portrayed by M·A·O (voice)

A wandering alien from Planet Metron who came to Earth shortly after the establishment of the Terrestrial Peaceable Union (TPU) and bonded with Captain Tatsumi over their shared love of a detective show. Marluru has a wealth of knowledge on intergalactic monsters, and is assigned as operator for Expert Team GUTS-Select. Despite the cute and cuddly appearance, they have a razor sharp tongue.

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• Aliens Speaking English: They're fluent in Japanese, though they cannot quite grasp the Ultra-Ancient language.
• Ambiguous Gender: Marluru acts like a young boy but has a woman's voice and has been conflictingly referred to with both neutral, female and male pronouns in all kinds of promotional and official material, making it unclear whether they are male, female or non-binary.
• Expy: Of Pega, another cuter reinterpretation of an alien race from Ultraseven who acts as an ally of the heroes.
• Hates Being Called Cute: The first thing Kengo says upon meeting Marluru is a comment on how cute they are, which immediately offends them.
• Innocent Aliens: A friendly member of the usually hostile Alien Metron race.
• Jerk with a Heart of Gold: They might be somewhat mouthy and very blunt about their feelings and thoughts, but they're good beyond it all and ultimately care about even those they disparage or insult.
• Mythology Gag: The number seven on their coat resembles an Eye Slugger.
• Taught by Experience: In Ultraman Decker they immediately figure out Kanata is Decker due to his behavior not being too dissimilar to Kengo's own behavior whenever he needed to transform.
• Token Mini-Moe: Compared to their adult teammates they're a short kid member though it doesn't make them any less competent at their job.

Mitsukuni Shizuma

Portrayed by Shin Takuma

The father of Yuna Shizuma. After building the world’s leading business conglomerate, he leveraged his fortune for the greater good of society and created the Sizuma Foundation. In the Foundation’s pursuit of space exploration and ancient alien research, he uncovers a looming, interstellar threat to mankind. In order to confront this menace, he united the governments of the world and established the TPU and the Expert Team GUTS-Select. But deep within his past hides an important secret…

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• Ace Pilot: Appears to have been this in his younger years, given his skill allowed him to defeat and force Deathdrago to retreat and having once been an elite officer in GUTS.
• Ambiguous Situation: Despite having an established life in Triggers universe, other aspects of his character made it unclear if he was truly a native, as they hinted he had knowledge form another universe. Episode 9 eventually reveals this is the case as he is from the Neo Frontier Universe, and as it turns out his "prototype" GUTS Wing was one that already existed and he piloted as a GUTS pilot, fixing it when he arrived on Trigger's Earth in order to fight Deathdrago.
• Break Out the Museum Piece: He gets his old, long-unused GUTS Wing unit back up running in episode 9 to help Trigger against Gargorgon.
• Cassandra Truth: He discovered the Ultra-Ancient ruins long before anyone else did and tried to warn the world about the dangers of monsters and dark giants which he found out about in them, nobody believed and so he took matters into his own hands to start developing means to fight the threats.
• Cool Old Guy: An old man that can perfectly wield weapons powerful enough to harm Kaiju and is supportive of Kengo's dreams and wishes to join GUTS-Select to protect everyone's smiles. He also makes sure to get Akito to warm up to Kengo in spite of the former's obvious jealousy of Trigger's chosen host.
• Dimensional Traveler: He originated from the Neo Frontier Universe and was sucked by a wormhole into Trigger's Earth sometime after Tiga's time but prior to Dyna's tenure, as he seems to have no knowledge of Dyna or GUTS' transition into Super GUTS.
• Foreshadowing: There were many hints that pointed to him actually coming from the Neo Frontier Universe.
  • He knows about Ultraman Tiga as well as the monsters Golza and Melba, noting how Golba is their fusion in the first episode, no one else but him knows about either of the three.
  • "Akito's Promise" reveals that he Akito and the latter's parents developed their version of the GUTS Wings, which is suspiciously similar to the original one besides having the TPU logo, episode 9 would reveal that it wasn't even a new creation from his memory of his time as a GUTS pilot, but rather an old GUTS Wing he once piloted that he rebuilt in time with help from Akito and his family to deal with Deathdrago.
• Heroic Sacrifice: Attempts this with his GUTS Wing in episode 9 to help Trigger against Gargorgon, as he remotely controls his GUTS Wing to get close to Gargorgon so he can blast her eye off and weaken the kaiju enough for Trigger to finish the job, at the cost of his plane being petrified; luckily Gargorgon's destruction prevents it from being a full-blown sacrifice.
• Parental Substitute: To Akito, enough that the latter is willing to keep quiet about Kengo being Trigger because Chairman Shizuma asked him to do it.
• Secret-Keeper:
  • Is aware that Kengo is Ultraman Trigger's chosen host and even hands him the means to transform into the hero. He later tells Kengo and Akito not to reveal the former's identity to the rest of GUTS Select.
  • He is also aware that Yuna is Yuzare's reincarnation and like before he tells both Kengo and Akito to keep that a secret from the other GUTS Select members, even Yuna herself. By episode 9, however, he comes clean to everyone about it.
  • Like Haruki and Z, he himself is a denizen of an alternative dimension stranded on Trigger's world from a freak wormhole during a mission, only he hailed from the Neo Frontier Universe, home to Ultras Tiga and Dyna, rather than the main series/M-78 Universe. He kept this a secret from everyone besides Akito and Captain Tatsumi, only coming clean about it during Yuna's 18th birthday.
• You Can't Go Home Again: After being sucked in the wormhole, Mr. Shizuma ended up stranded on Trigger's Earth, unable to return home in the Neo Frontier Universe. He settled down on this new world afterwards but is shown to still long for his home dimension.