"I am Ultraman Tregear. I came to fulfill your wish."
- ―Self introduction.
"Don't act like some galactic guardsman! Who decided the light is justice?!"
- ―Tregear to Taro in Ultraman Taiga episode 1
"Bonds... You're always going on about "bond" this, "bond" that, shut up already. What can a human like you even do?"
- ―Tregear annoyed by the word "Bonds"
Ultraman Tregear (ウルトラマントレギア Urutoraman Toregia) is an evil Ultraman who made his first appearance in Ultraman R/B The Movie as the main antagonist. He later becomes the main antagonist of the succeeding series, Ultraman Taiga.
- 1 Conception
- 2 Personality
- 3 History
- 4 Profile
- 5 Other Media
- 6 Trivia
- 7 References
Ultraman Tregear was designed by Masayuki Gotoh, who was given the order to simply "make an evil Ultraman like Belial". As the appearance was up to his own imagination, Gotoh decided to use the themes of mask and restrains. The pointed shoes are based on Ultraman's Type B suit, which were similarly pointed.
Tregear's name is derived from an slight alteration of a combination of two ancient Greek words.
- τρέλα (Trela) トゥレラ/τρελός (Trelós): Mad (狂気)
- περιέργεια (Periérgeia) テリエルギア: Curiosity (好奇心)
These two words are fitting of his personality and former occupation as a scientist. This breakdown of meaning is later confirmed in the Ultraman Taiga Super Complete Works story Blue Shadow.
As a child, Tregear was an antisocial young boy with an affinity to dwell into subjects that are considered as off-limits by normal standards, hence his name meaning "mad curiosity". This includes intruding a sacred tomb and studying the concept of darkness in the library. Despite his friendship with Taro, as time went on, the hardships he endured after graduation and discovering Belial and Hikari's fall from light shattered his sense of justice, thus leading to his self-imposed exile from his former home world.
Ever since he absorbed Grimdo into his body, Tregear turned into a sadistic and remorseless trickster who deceives people by offering to "fulfill their dreams". Be it as an Ultra or his human form (Kirisaki), he prefers to watch the end result of his actions from the sidelines after triggering a chain of events that lead to despair and suffering in others, rather than outright cause them. Some of his felonies can even be as petty as blowing a young girl's balloon. Because of his diluted morality, he takes neither side and and would rather see everything be destroyed.
His rivalry with Taro and the Tri-Squad comes from his friendship with the former in their younger years. Taro was the first person he befriended and that he treasured every moment in their school years dearly. Due to his failure to catch up with Taro's increasing popularity back in the Land of Light, Tregear decided that the only alternative option was to embrace darkness after seeing both light and said element were simply two sides of the same coin. His extended rivalry to Taiga (and perhaps, the rest of the Tri-Squad) comes from the fact that the young Ultra was named after the item that he and Taro co-developed, the Taiga Spark. Tregear also calls him "son of Taro" instead of acknowledging his name, which serves to further fuel Taiga's anger.
Yet for all of his smug behavior, Tregear is not without a berserk button. Partly from his diluted sense of morality, Tregear reacted to the power of bonds (which the New Generation Heroes have frequently relied on) with utter disgust. In the presence of Taro, he drops his cocky attitude and becomes much more serious in both attitude and fighting style. His rage-breaking point takes to the extreme when Taiga was freed from the darkness through his bond with the Tri-Squad and Hiroyuki. This cause Tregear to spend almost an entirety of Ultraman Taiga's second half to deliver psychological torture towards Hiroyuki by threatening EGIS members and eventually summoning Woola to swallow the entire planet. In a smaller level, he is mildly repulsive towards physical contact with aliens and immediately had to conjure a handkerchief to clean himself.
When Tregear was young, he attended the same class as Taro. Tregear initially didn't think much of him because he was popular for having famous parents. However, Taro approached him and they became friends. Out of curiosity, Tregear brought Taro to an off-limits area, locked behind bars. Tregear was unable to get in himself and manipulated Taro into breaking the two of them in. They then saw a pillar which played footage from the Ultimate Wars, and realized it was a tomb. They got in trouble at school the next day but Taro decided to stand up and admit their mistakes for the both of them, which Tregear secretly admired. Throughout their time in school, Taro became a symbol of light to Tregear, who continued to explore things such as night, darkness, loneliness, and fear, which he could only learn from the library, since the Land of Light had none of those. Tregear had written a poem of Taro, though he thought little of it beyond seeing Tregear's talent for poetry.
At some point, they had an adventure on Planet Tika-Du (惑星ティカ＝ドゥ Wakusei Tika=du), where there were rumors of giant monsters. The rumors were confirmed to be true as they were attacked by monsters called Gagoze (ガゴゼ ) in a cave, though they also discovered a dome-like space. There, he discovered a sort of primordial soup of life and more importantly, indecipherable ancient cosmic writings, which intrigued Tregear. The monsters they fought released pink leech-like organisms that could assimilate the DNA of other lifeforms; Tregear immediately realized the threat if they were to assimilate them and leave the planet in the spaceship he and Taro arrived in. Having been caught by the creature, Tregear told Taro to save the villagers first and not hesitate in such a critical moment. Taro, not wanting anyone to be sacrificed, used his Ultra Dynamite to instantly burn away the giant monster and the substances within, and destroyed another one with his Strium Beam.
After graduating from school, Taro went on to become a member of the Inter Galactic Defense Force, making it through their training regimen. Tregear followed him and suffered through a hellish regime, simply because he didn't want to lose his friend. Unfortunately, he failed to make it in. Taro told him not to give up and that he could contribute in his own way, encouraging him to join the Space Science Technology Bureau instead. Tregear agreed and was employed under Ultraman Hikari.
Hikari managed to see Tregear's potential when working on the Astral Particle Conversion System, a device that could transform an Ultraman's particles to be taken into other creatures for multiversal travel purposes. Hikari also saw something dangerous within him, like a blue flame quietly burning. To complete his research, Tregear had to go across the universe and get information from other Ultras, but his permission was denied every time. He wanted to talk to Hikari, but found out that he had resigned and left to Planet Arb, out of guilt over his Life-Force Solidification invention being the cause of many attacks on the Land of Light. Seeing that even someone honored with Star Marks could get distressed, a faint shadow loomed over Tregear.
One day, Taro returned from Planet Earth and told Tregear about his experiences, and that he had become one of the Ultra Brothers. Taro told Tregear about his bonds with humans, though he had his doubts. Using Taro's advice to rely on bonds, Tregear managed to complete the machine he was working on, despite his skepticism on bonds. After miniaturizing the machine, Taro thought its name was too long. Tregear wanted to call it the Taro Spark, but Taro suggested that they name it for the next generation, giving it the name Taiga Spark, which Tregear agreed to. Taro also decided on giving this name to his child when he has one. Seeing Taro leave almost immediately hurt Tregear even more. He made another poem, this time about him wallowing in the darkness.
Tregear, saddened by Taro's absence, found that the Land of Light had little value to him. Every time they made better defenses, the enemy comes up with something else; the battles only escalate. Tregear finally understood Hikari's sorrow. He was offered the position of Deputy Director of the Space Science Technology Bureau, but he instead resigned and left the Land of Light. Disillusioned the idea of "light" being "justice" because of the Land of Light's history - the Ultimate Wars, the Revolt of Belial, and recently, Hikari's own fall to vengeance - he came to the conclusion that the Land of Light's ideals were only deceptions, waving their fists and calling it "justice" simply because they have the strength to do so, effectively making their ideals and enemies being two sides of the same coin.
Tregear flew over to Planet Tutuola (惑星チュツオラ Wakusei Chutsuora), which was full of rubbish that was managed by the Interstellar Alliance. He saw a pool of organic matter, which reminded him of something similar he saw when he went adventuring with Taro. Seeking to ease his loneliness, Tregear created a slug-like life form similar to Namegon using the pool of organic matter. He named it "Snark" (スナーク Sunāku), which translated into "Chibisuke" on the Land of Light. Snark ate and grew hundreds of meters tall; Tregear was unable to stop it by force when it was going to attack a city there. Tregear had exploited a bug in its DNA to rearrange its genetic structure, forcibly turning it into various different kinds of creatures while it shrieked in pain. In the end, Tregear shrunk Snark into a flower, which wilted and turned into dust. Out of guilt, Tregear left the planet. Some time later, Tregear learned that Taro had a son named Ultraman Taiga, which surprised him. As Taro went on with the path of light, Tregear sank into darkness. While investigating the times before the Land of Light came about and spread their "light", Tregear wandered the Milky Way and found the ruins of "chaos" from before the universe's creation.
"If your heart is weak, you'll fall into the darkness just like Belial did, even as an Ultraman. Just like my old friend..."
- ―Taro subtly hinting Tregear to Taiga
"He appeared as an Ultraman, but his heart is dark cold. He meddled with various universes, exploiting the weakness of the hearts of its inhabitants and led their stars to destruction."
- ―Ultraman R/B Novel description
Over Tregear's long journey, "light" and "darkness" lost their meaning. Tregear managed to decipher the ancient writings he had encountered on Planet Tika-Du long ago. Venturing to Planet Borges (惑星ボルヘス Wakusei Boruhesu), Tregear sought to open up the "Abyss", which was sealed away to maintain the balance of the universe. He offered himself to the "Abyss", and sealed inside him an ancient "chaos" that granted him great power, abandoning his identity as an Ultraman. He used his newfound powers to interfere in many universes, such as giving crystallization powers to Murnau and encountered Greeza.
Over 1,300 years before the events of Ultraman R/B, Tregear had altered the DNA of Leugocyte, forcing the once-peaceful creature to go rampant, leading to its first battle with the three siblings from Planet Sanja. Tregear's name became associated with disasters and temptation in seven universes.
Ultraman R/B The Movie: Select! The Crystal of Bond
Tregear found out about Riku Asakura's origins and saw that he had an Alien Pegassa friend Pega, which he thought was strange. He decided to abduct them and place Pega within Gan-Q and hoped that Riku would kill his own friend and fall to the darkness, just like his father did. Throwing them into into R/B's universe, he summoned Gan-Q and Bemstar to wreak havoc in Ayaka City. Learning about Ultraman Rosso's ties with the Taro Crystal, Tregear decided to make Katsumi Minato his next target after finding out about his confusion on his identity and ambitions. Tregear then contacted Yukio Toi, helping him realize his dream of destroying the world he hated, corrupting him into Snake Darkness in the process and sending him to Planet Hostar 21. Later on, Tregear approached Katsumi, transporting him to the same planet after showing him a scene of Mecha Gomora rampaging. Tregear then left Katsumi alone while Snake Darkness arrived on Earth through one of his portals.
During the final battle, Tregear finally shows up to back up Snake Darkness and was surprised with Ultraman Rosso's return though he easily drives everyone into a corner even when Ultrawoman Grigio appeared. Tregear and Snake Darkness continued having the upper hand until the Minato siblings fused into Ultraman Groob, joining Riku who transformed into Ultimate Final once more. After the battle, Tregear was apparently destroyed by Geed's Wrecking Nova. However, in the post-credits, Tregear was revealed to have survived this experience and left Earth afterwards.
Ultra Galaxy Fight: New Generation Heroes
Tregear approached Ultra Dark-Killer at some point and requested him to create the Darkness Copies of the New Generation Heroes, for the sole purpose of "proving" the point that Darkness and Light are one and the same. While observing the ensuing fight of New Generation Heroes and League of Darkness in his Magical Space (魔法空間 Mahō Kūkan), Ultraman Ribut approaches him and prepares to apprehend the fallen Ultra. After a fight, Tregear revives the fallen Dark-Killer and Ultraman Zero Darkness, the former growing to gigantic size and going berserk due to his overflowing power. Tregear leaves Ribut to fight two Red Kings, saying that he will at least do him the favor of remembering his name. Once the New Generation Heroes had permanently destroyed Dark-Killer and regrouped with Zero, Tregear confronts the group and revealed that he was the mastermind behind these events, having orchestrated Grigio's capture so that Ultraman Groob could not be formed. He lets the New Generation Heroes know that he is going to destroy the Land of Light and Taro.
Tregear faces off against the New Generation Heroes near the Land of Light and easily defeats all of them through minefields before fighting Taro. The Tri-Squad arrived later and struck at Tregear several times, though he reduced them into particles before charging at an enraged Taro. Taro once again tried to reach out to his old friend, hoping to recover his light, but Tregear mocked the idea of light and bonds that eventually ended with both sides exploding from their Dynamite attacks.
Twelve years later, Tregear reappeared as the arch-nemesis of Ultraman Taiga and relentlessly targets him. While hunting down Taiga on Earth, he assumes the form of a man named Kirisaki, who calls down monsters such as Hellberus to do his bidding. He personally attacks Taiga simply to spite him and his human host Hiroyuki Kudo after Hiroyuki's former pet Guesra Chibisuke was spotted in Japanese waters. Tregear kills Chibisuke to further enrage Hiroyuki, before taking his leave. Tregear also turns Rento Kujo into his puppet to cause destruction as Galactron MK2, and hinders Ultraman Titas upon his return. Other than that, Tregear takes the chance to taunt and meddle with Ultraman Fuma after Darebolic (MB) is destroyed. At some point, he also hired Alien Gapiya Abel to get rid of Taiga and the Tri-Squad.
Tregear was surprised by Taiga's transformation into Photon-Earth and went to challenge him, finding out that Taiga had improved into a much more competent fighter. After a short battle, Tregear left, expecting nothing less of the son of Taro.
Secretly, Tregear had been allowing Taiga to collect and use the Kaiju Rings, which slowly corrupted his soul. As the darkness floods him, Taiga becomes more reckless in battle, as seen during his battles against Gigadelos and Skull Gomora. When enough darkness had accumulated within Taiga, Tregear takes the chance to corrupt him, shutting out Hiroyuki, Titas and Fuma in the process. Taiga becomes an unresponsive puppet which Tregear claims as his own partner, all just to spite Taro.
"You hear that, Number 6?! The darkness is devouring your son!"
- ―Tregear, episode 15
"The Taiga of the past is dead. But a new one has been born. You don't need a human to transform anymore. Your new partner will be the energy of darkness. You and I, can "Buddy Go"."
- ―Tregear successfully brainwashed Taiga
Hiroyuki sees Taiga in the darkness after he is knocked out by Kirisaki. Tregear suddenly appears and convinces Taiga to go further down the path of darkness, leading him to expel Hiroyuki from within himself. When Titas and Fuma tried to save him, Kirisaki summoned Hellberus and Night Fang from their Kaiju Rings to stop them, but Hiroyuki managed to get through and save Taiga, granting him his new form Tri-Strium. Enraged at the failure of his plan, Kirisaki transformed into Tregear to fight Taiga, but disappeared after being hit by the Tri-Strium Burst. Descending into a fit of madness, he develops a hatred towards Hiroyuki and started targeting him directly.
Kirisaki infiltrated the EGIS base and launched a mental attack on Pirika Asahikawa. He somehow sees a meteor-like monster flying through space by reading her mind, and set out to bring it to Earth. Tregear awakened the 'soul' of the planet, Ether, by using the drill on Alien Ghose' ship. This caused the Earth to give off a signal that brought the monster towards it.
Tregear revels in the destruction brought on by Woola, and admitted to Pirika that he cares not for 'light' and 'darkness' and simply wants everything to be destroyed. Maguma and Markind to save Woola and the planet, relying on Taiga to fire his Strium Blaster at the monster as the final step. However, Tregear interfered and fought against the Tri-Squad, obstructing them and their last window of pulling the plan off. Woola tried to help the Tri-Squad after recognizing them as allies, but easily gets shoved aside by Tregear. Tregear made the mistake of firing a dark energy sphere at Taiga, which he redirects to Woola using the Wide Taiga Shot. Woola ate both attacks and its body is destroyed, while its core floated upwards and dissipated into a glittering light that spread across the Earth, simultaneously redeeming and ending the once world-threatening Kaiju.Pirika, now within Woola's core, sympathized with the monster. EGIS forms an alliance with
"This light...is warm...."
"That would have been impossible only with my own power. It was the power of light from both of us Ultramen that saved that monster's heart. No matter how much you deny it...you are an Ultraman; something that exists to protect the light! Weren't you my father's friend who left the Land of Light? You can become a guardian of light once more!"
"How many times do I have to tell you? This world has neither light nor darkness!"
- ―Taiga's attempt at redeeming Tregear
Taiga attempted to convince Tregear to return to the path of light, but he finds those claims rubbish and attacks Taiga, forcing him to fight back. Taiga changed to Tri-Strium, which reminds Tregear of Taro. Taiga, Titas, Fuma and Hiroyuki put their powers together to fire the Quattro Squad Blaster, but Tregear made no attempt to defend himself and laughed maniacally as he was defeated.
Ultraman Taiga The Movie: New Generation Climax
Being unable to die because of his powers, Tregear's body had been restored after his previous defeat. However, the battle had caused the seal on Grimdo to come loose, freeing a portion of the monster from within himself. The New Generation Heroes sealed away Grimdo temporarily, at the cost of their ability to transform. Meanwhile, Tregear sent one of his illusions to Planet Borges to lure out Taro, who offered to help him. Instead, Tregear rejected his offer and told him that Grimdo was heading to the Earth where Taiga is, making him fly off in a hurry. Kirisaki (Tregear) had waited for Taro on the Earth, and faced off against Homare Soya, Hikaru Raido and Sho, who had located him, taking the opportunity to tell them of his true plan. Kirisaki vanishes after Grimdo managed to possess Taro, and somehow became undetectable.
Hiroyuki, Katsumi and Isami confronted Kirisaki after finding Taro's location. Kirisaki transforms into Tregear to transform and fight against the Tri-Squad while summoning Hellberus, Segmeger, Night Fang, Gigadelos and Gorothunder to fight off the New Generation Heroes, who had regained their powers from the Bracelets that Hiroyuki returned to them. After dealing with the monsters, the New Generation Heroes attempt to help Taiga restore Taro's consciousness, but are blocked by Tregear. Eventually, they succeed, causing Tregear to acknowledge that he has lost everything. Tregear then offered himself to Grimdo. His body broke down and was absorbed into the beast, restoring it to its full power. His consciousness was within the monster and controlled it, with a desire to destroy everything.
The Tregear-Grimdo fusion overwhelmed Taro and the New Generation Heroes, even in their strongest forms. Taro advised them to fuse via Taiga's Ultra Horns while he distracted Grimdo, allowing them to have the opportunity to fuse into Ultraman Reiga, who was strong enough to deflect all of Grimdo's attacks. At the climax of the battle, Reiga shot through Grimdo's central eye with the Reiga Ultimate Blaster. With a sorrowful voice, Tregear called out to Taro before he is destroyed along with Grimdo.
Ultra Galaxy Fight: The Absolute Conspiracy
Because of Absolute Tartarus going back in time, there were several alterations to Tregear's past.
While Tregear was employed under Ultraman Hikari in the Space Science Technology Bureau, he worked on the Astral Particle Conversion System, but it was missing crucial data. Taro returned to the Land of Light one day and greeted Tregear, having heard about the device he was working on. Taro offered his data on bonds to complete the device after meeting with many people during his duties, but had to leave soon after.
Some time later, Ultraman Hikari had disappeared. Tregear managed to locate him on Planet Arb, mourning over his failure to protect it from Bogarl's attack. Hikari was changed into Hunter Knight Tsurugi, and warned Tregear than anyone who stood in his path of revenge would be cut down. Tregear tried to stop him, but was unable to do so, having been attacked by his former chief. These events left him shaken and doubtful of the Ultras' ability to be Ambassadors of Light, and Tartarus contacted Tregear for the first time, beginning his plan to tempt him to his side. Taro tried to console his friend, but his inability to truly understand Tregear's feelings over the incident caused them to start drifting away from each other.
"That's how you... only see things from one side. In this world... there is neither light nor dark."
- ―Tregear as he abandoned Taro on Planet Deastar to join Tartarus.
Detecting unusual energy on Planet Deastar, Taro brought Tregear to the planet to ask for his cooperation to investigate it. Absolute Tartarus brought a Night Fang through a portal to get it to fight Taro, and blast its Nightmare Wave at Tregear, tormenting him with his doubts. Tartarus showed Tregear his future, and asked him to come along with him. Having grown disillusioned to the Land of Light's ideals, Tregear left with Tartarus despite Taro pleading him not to.
Having been brought into the future by Tartarus, Tregear was joined by Ultraman Belial, another fallen Ultra from the same planet of origin who also ended up becoming a Parallel Isotope and received their power up in the form of Tartarus' Absolutian energy. The pair were sent to Satellite Golgotha to fight the six Ultra Brothers in the main timeline right after the deaths of Juda and Mold, wherein the pair of fallen Ultramen made quick work against their aged former comrades. While equally matched with Ultraman Zero, the pair were instructed to return to "The Kingdom" under Tartarus' orders.
- Eyes: Tregear's eyes are red. Before falling to darkness, they were blue in color.
- Color Timer: Tregear, like most Ultra Warriors, possesses a Color Timer. It never flashes red and is concealed behind a restraint which is used to keep Grimdo sealed inside him.
- Body Restraints: In order to keep Grimdo from escaping, a set of restraints are fashioned on Tregear's body, consisting of a protective gear on his chest, a pair of gloves and a pair of boots, all of them tied by cables/belt-like ropes. As established in Tartarus' vision, his body restraints came from the Tregear Eye, accessing the device right after absorbing Grimdo.
- Claws: Tregear possesses gold claws on his gloves.
Kirisaki presses the button at the top of the Tregear Eye to open it up, changing its design from Tregear's chest to his mask. He holds the device near his face and presses the button at the bottom, which causes the Tregear Eye to release a dark aura while his eyes shine a red light. Kirisaki then morphs into Ultraman Tregear and grows to giant size if he chooses to. Alternatively, he can also transform without the use of the Tregear Eye.
Tregear used the device to change from Early Style to his current form after he had absorbed Grimdo.
- Maximum Flight Speed: Mach 9.9
- Maximum Running Speed: Mach 4
- Maximum Underwater Speed: Mach 3.8
- Maximum Underground Speed: Mach 3
- Maximum Jumping Height: 850 m
- Arm Strength: 90,000 t
- Grip Strength: 75,000 t
- Projection: Tregear can project himself through computer or television screens to communicate, and is even able to transport at least part of his body through. He does not have to be inside the device to do so.
- Trera Phantasma (トレラ・パンタスマ Torera Pantasuma): Tregear can project scenes and events that are happening elsewhere, and show them to others and capable of deceiving foes with a vision.
- Teleportation: Tregear can disappear and reappear somewhere else.
- Trera Thyra (トレラ・スラー Torera Surā): Tregear can distort space and create a wormhole that can be used to transport himself, parts of his body or other beings through it. It is able to transport beings to a location more than 7000 light years away.
- Ischyros Heba (イキュロス・イーバ Ikyurosu Ība): An energy shield, durable enough to withstand Grigio Regina's Erga-Trio Cannon. A smaller circular version can also be generated.
- Dark Cloak: Tregear can cover his body in a dark aura to conceal himself.
- Enhanced Reflexes: Tregear's reflexes are honed to the point where Fuma's speed is nothing to him.
- Energy Transfer: Tregear transfers energy. This allows him to heal others, or even grant them powers.
- Energy Release: Tregear can release vast amounts of darkness energy from his body, which allows him to revive the dead and empower them.
- Creation/Corruption/Modification of Life: Tregear has the ability to create, corrupt, or modify life forms, such as Leugocyte, and even robots such as Gigadelos, by giving it emotions.
- Transcendence of Life and Death: After absorbing Grimdo into himself, Tregear is unable to be killed, which is how he "survives" many of the New Generation Heroes' finishers. Even if his body gets destroyed, it will instantly be revived on the spot or elsewhere.
- Kaiju Ring Creation: Tregear created all of the Kaiju Rings that Taiga used, from the remains of certain defeated monsters. He can also summon these monsters from their ring forms if he wishes.
- Illusions: Tregear can create illusions of himself across the cosmos. They are capable of firing beams despite their nature.
- Evil God's Wings (邪神の翼 Jashin no Tsubasa): Tregear can conjure demonic wings from his back. This was only demonstrated in Ultra Heroes EXPO 2020.
- Trera Strata (トレラストラータ Torera Sutorāta): A unit of five members who wear costumes similar to Kirisaki. Before a battle, they will perform a magnificent dance together. They only appeared in Ultra Heroes EXPO 2020.
- Trera Ultigeyser (トレラアルティガイザー Torera Arutigaizā): Tregear's strongest ray technique, where he gathers energy from his whole body into his hands, firing a blue lightning-like ray. It is capable of sending foes flying across a city. On some occasions, Tregear conjures a swirling energy rift that forms a five-pointed insignia, from which powerful electrical bolts are released.
- Trera Cheir Phos (トレラケイルポス Torera Keiru Posu): A dark blue electrical beam fired from Tregear's finger, it is as powerful as Rosso and Blu's finishers. "Cheir Phos" is Greek for "Hand Lightning".
- Trera Ardiga (トレラアルディガ Torera Arudiga): Rays of lightning fired from both of his hands. It has the same strength as Groob's Delta Breast Lancer if combined.
- Opto Dacrys (オプトダクリス Oputo Dakurisu): A red beam fired from each of Tregear's eyes.
- Ischyros Dynamis (イスキュロス・ダイナミス Isukyurosu Dainamisu): A ray of violence released from Tregear's hand, which can increase a human's inner anger and corrupt them into a monster. A second dose of this can empower the monster, but its 'inner darkness' will swallow up the host. Can also be used to unleash the power of darkness within other beings to corrupt them.
- Dark Fireball: Tregear can release dark fireballs from his hands.
- Dark Sphere: Tregear forms a large sphere of energy in front of him before hurling it towards a target.
- Energy Bolt: Tregear can fire a blast of energy from his finger, which can be used for lethal attacks.
- Trera Temno (トレラテムノー Torera Temunō): Tregear unleashes multiple cutting energy waves from his hands.
- Geargy Dirge (ギアギダージ Giagi Dāji): Tregear's energy drill attack. Strong enough to revert Ultras in powered up form back to their normal form.
- Energy Punch: A punching attack engulfed with blue energy.
- Energy Kick: A kicking attack engulfed with blue energy.
- Claw Slashing: Tregear performs a slashing attack with his claws. The effects are yellow in the R/B Movie and purple in Taiga.
- Ultra Dynamite: A dashing attack in which Tregear is engulfed in flames, and explodes on contact. Its power seems to rival Taro's Ultra Dynamite. Unlike Taro's Dynamite, which takes the form of conventional red fire, Tregear's flames are bright blue.
- Palm Strike: Tregear discharges energy through the palm of his hand. It can send another Ultra flying.
- Wiseman's Sword (ワイズマンズソード Waizumanzu Sōdo): The legendary sword of Planet U40, recast into a dark form and stolen by Tregear, which presumably allows him to fight on par with Taiga Tri-Strium. This was only used in Ultra Heroes EXPO THE LIVE.
- Maximum Flight Speed: Mach 9.9
- Maximum Running Speed: Mach 4
- Maximum Underwater Speed: Mach 3.8
- Maximum Underground Speed: Mach 3.8
- Maximum Jumping Height: 850 m
- Arm Strength: 90,000 t
- Grip Strength: 35,000 t
- Treracium Beam (トレラシウム光線 Torerashiumu Kōsen): Tregear's Ultra Beam, fired when he puts his arms in a cross.
Ultraman New Generation Chronicle
- Tregear's gentleman-like walking style is from Takao Nakano's imagination of a British villain from the James Bond series.
- In an interview with Yuma Uchida, he mentions that his first voice over as Tregear was the first commercial for the film. It wasn't until the actual recording of the film that Yuma managed to capture the impression of his character, which he portrayed someone who is "neither good nor evil".
- From the pamphlet of Ultraman R/B The Movie, Masayoshi Takesue (the main director of Ultraman R/B) confirmed that Tregear was going to be the next recurring evil Ultra Warrior, succeeding Ultraman Belial. This led to similarities between the two Ultras:
- On a shirt designed by Kou Nanase, Kirisaki's actor, Tregear was associated with the image of a blue lotus. In the Japanese language of flowers, the lotus flower represents a pure heart, divinity, estranged love and eloquence. It also holds importance in Buddhism and Egyptian myth.
- Ultraman R／B The Movie: Select! The Crystal of Bond Blu-ray Special Notes