Paradox Pokémon - Bulbapedia, the community-driven Pokémon encyclopedia

TCG promotional artwork of ancient Paradox Pokémon.

TCG promotional artwork of future Paradox Pokémon.

Paradox Pokémon (Japanese: パラドックスポケモン Paradox Pokémon) are a group of Pokémon introduced in Pokémon Scarlet and Violet. They have two subgroups: one appearing in Pokémon Scarlet resembling ancient relatives of contemporary Pokémon, and one appearing in Pokémon Violet resembling futuristic relatives of contemporary Pokémon. They are all gender unknown and unable to evolve or breed, and — with the exceptions of Koraidon and Miraidon — their names do not follow typical Pokémon naming conventions. All of them share the category of "Paradox Pokémon".

They are also known as unidentified creatures,^[1] Monsters of Area Zero^[2] (Japanese: エリアゼロの怪物(かいぶつ) Monsters of Area Zero), and Enigmas of Paldea^[3] (Japanese: パルデア未確認(みかくにん)) by researchers and Occulture magazine articles, respectively. Professor Sada^S/Professor Turo^V researches Paradox Pokémon. The professor also refers to the Paradox Pokémon as ancient Pokémon^S/future Pokémon^V.

The precise origin of the Paradox Pokémon is unclear; AI Sada^S/AI Turo^V claims that they originate from different points in the Pokémon world's timeline^[4] (specifically the ancient past^S/distant future^V), while a version of Sada^S/Turo^V brought to the Crystal Pool by Terapagos suggests that they are from different timelines.^[5] The latter notion is also alluded to in the original Japanese version of AI Sada^S/AI Turo^V's dialogue.^[6] They were apparently brought to Area Zero in the present day by the time machine built by the professor, but the Scarlet Book^S/Violet Book^V documents sightings of them prior to the time machine being built. Terapagos appears to have a connection to the Paradox Pokémon's appearance in the present day due to the Terastal energy it produces.

Table of Contents

List of Paradox Pokémon
In the core series games
History
Base stats comparison
In the anime
Main series
Biri-Biri
In the manga
Pokémon Adventures
In the TCG
Trivia
In other languages
References
See also

List of Paradox Pokémon

As a group, Paradox Pokémon share multiple similarities with one another, including a base stat total of either 570, 590, or 670, sharing Abilities related to either harsh sunlight or Electric Terrain, and having two types.

Ancient Pokémon

These Pokémon look like ancient relatives of contemporary Pokémon. They all share the Protosynthesis Ability, with the exception of Koraidon, which has Orichalcum Pulse. Their Abilities involve the effect of harsh sunlight in battle. All ancient Pokémon share a unique whistle-like sound frequency in their cries.

Pokédex number	Paradox Pokémon			Contemporary relative
Pokédex number	Image	Type	Description	Image	Type
#0984	Great Tusk	Ground Fighting	Great Tusk: A Living Relic of the Dinosaur Era?! In one arid corner of Paldea, there have been reports of a mysterious life-form. It's said to resemble a Donphan at first glance, albeit one with gigantic tusks, tough scales, and an aggressive disposition. Leading theories hold that this being is nothing less than a living relic of the dinosaur era, but no one can say for sure. Apparently, it's called Great Tusk after the name of a strange being that was written about in the mysterious Scarlet Book.	Donphan	Ground
#0985	Scream Tail	Fairy Psychic	Scream Tail: A Billion-Year-Old Jigglypuff?! Somewhere in a Paldean forest, it's said, lurks Scream Tail—a being with Jigglypuff's own endearing puffball appearance but also a ferocious aggression that leads it to attack anyone who comes near. Its primitive appearance and savage nature have prompted rumors that it could be a Jigglypuff from one billion years ago. It's named after a creature in the Scarlet Book that is described as having a distinctive tail and scream.	Jigglypuff	Normal Fairy
#0986	Brute Bonnet	Grass Dark	Brute Bonnet: Amoonguss Meets Dinosaur? This bizarre creature is said to combine traits of dinosaurs with those of the Pokémon Amoonguss. It's named after a fierce mushroom creature of matching description that appears in the renowned Scarlet Book. Brute Bonnet certainly resembles Amoonguss, though with its own unique twists: its gigantic stature and seemingly low intelligence combine to make it a savage, powerful fighter.	Amoonguss	Grass Poison
#0987	Flutter Mane	Ghost Fairy	Flutter Mane: A Ghostly Pterosaur?! Flutter Mane—a name taken from a strange creature with a matching description appearing in the Scarlet Book—is said to float around the sky at night with its long hair writhing about it. Eyewitness accounts describe it as resembling a giant Misdreavus at first glance, albeit a highly fierce and aggressive one. Some believe that it's a ghost of a pterosaur from a long-gone era.	Misdreavus	Ghost
#0988	Slither Wing	Bug Fighting	Slither Wing: A Prehistoric Volcarona, Revived?! There have been precious few sightings reported of the ultra-mysterious Slither Wing, a being whose name is taken from that of a similar-seeming creature described in the ever-puzzling Scarlet Book. Slither Wing shares traits with Volcarona, so some theorize that it may have been revived from fossils from a prehistoric era that we have discussed in these pages. However, no Volcarona fossils of that era are known to have been found.	Volcarona	Bug Fire
#0989	Sandy Shocks	Electric Ground	Sandy Shocks: A Magneton with a 10-Thousand-Year Lifespan?! Some scientists claim that this mysterious being is a Magneton that has lived for 10 thousand years. It has been sighted numerous times in Paldea's more arid regions, but there are no reports of it ever having been caught. It's said that Sandy Shocks is an aggressive sort and that some people who've seen it have been attacked as well. It takes its name from a beast with a matching description in the era-defining Scarlet Book.	Magneton	Electric Steel
#1005	Roaring Moon	Dragon Dark	Roaring Moon: A Primeval Salamence?! This elusive creature is called Roaring Moon after a similarly described being in the Scarlet Book. It looks similar to Salamence when they undergo a certain phenomenon elsewhere in the world, but it's unclear if there is any connection. This creature scatters feathers as it flies around at high speeds seeking prey. It's thought to be more savage than Salamence, and if you should encounter one, it's imperative that you avoid actual contact.	Mega Salamence	Dragon Flying
#1007	KoraidonWinged King	Fighting Dragon	Pokédex entries: Apex Build This seems to be the Winged King mentioned in an old expedition journal. It was said to have split the land with its bare fists. This Pokémon resembles Cyclizar, but it is far burlier and more ferocious. Nothing is known about its ecology or other features. Pokédex entries: Limited Build* The ecology and other data about this Pokémon are unknown. It was named Koraidon by the professor who discovered it. It has similar characteristics to a creature described in an old book as the Winged King.	Cyclizar	Dragon Normal
#1009	Walking Wake	Water Dragon	An Imagined Pokémon A drawing of a fantastical Pokémon as envisioned by our sketch artist. The size and ferocity of the strange Pokémon that dwell in Area Zero's lower reaches tickled the artist's imagination, prompting this sketch of what other species that inhabit these depths might look like.	Suicune	Water
#1020	Gouging Fire	Fire Dragon		Entei	Fire
#1021	Raging Bolt	Electric Dragon		Raikou	Electric

Future Pokémon

These Pokémon look like futuristic relatives of contemporary Pokémon. They all share the Quark Drive Ability, with the exception of Miraidon, which has Hadron Engine. Their Abilities involve the effect of Electric Terrain in battle. All future Pokémon cries share a unique electronic, mechanical noise. Their names all contain the word "iron" (or the equivalent in other languages) as a prefix, with the exception of Miraidon—it, however, was formerly named "Iron Serpent".

Pokédex number	Paradox Pokémon			Contemporary relative
Pokédex number	Image	Type	Description	Image	Type
#0990	Iron Treads	Ground Steel	Iron Treads: An Alien Weapon?! In one arid corner of Paldea, there have been reports of a mysterious life-form. It's said to resemble a Donphan at first glance, albeit one that can abruptly assume a spherical shape and launch into a swift rolling attack. Rumors say this being is some kind of weapon using technology not of this world, but no one can say for sure. Apparently, it's called Iron Treads after the name of a strange being that was written about in the mysterious Violet Book.	Donphan	Ground
#0991	Iron Bundle	Ice Water	Iron Bundle: An Ancient Civilization's Robot?! The mysterious Violet Book makes reference to a being called Iron Bundle, which was said to look like Delibird and to possess a spherical apparatus from which it would fire huge blasts of ice to propel itself through snowy lands. Plenty of theories about it have been floated. A leading one suggests it is the product of a long-gone civilization—a notion supported by ancient writings that describe the design and usage of machines resembling Iron Bundle.	Delibird	Ice Flying
#0992	Iron Hands	Fighting Electric	Iron Hands: Secretly a Cyborg?! This being's name comes from the one given to an iron-handed entity in the mysterious Violet Book. It is said to have fists that move independent of its body and to be capable of throwing large, fast-moving vehicles. A leading theory holds that Iron Hands was once an athlete who became mortally wounded but was kept alive by being made into a cyborg. Why it so strongly resembles Hariyama, however, remains unanswered.	Hariyama	Fighting
#0993	Iron Jugulis	Dark Flying	Iron Jugulis: Pokémon or Machine?! This flying life-form bearing a resemblance to Hydreigon has been seen in a certain corner of Paldea. It was reported to have razed an entire building with a high-energy blast, then flown off as if to find its next objective. Iron Jugulis is theorized to be a sort of machine-Hydreigon hybrid, as it combines the former's ruthlessness with the latter's ferocity. It takes its name from a similarly described entity in the Violet Book.	Hydreigon	Dark Dragon
#0994	Iron Moth	Fire Poison	Iron Moth: A UFO Sent to Spy on Humankind?! The name Iron Moth was borrowed from that of a flying object described in the era-defining Violet Book. It was said to resemble Volcarona and would descend from the skies, following people around and occasionally even attacking them. Some point to Iron Moth's aggression as a sign that it is, in fact, a UFO of sorts being controlled by alien life. Perhaps something out there is using Iron Moth to observe us, waiting for the moment to mount an invasion...	Volcarona	Bug Fire
#0995	Iron Thorns	Rock Electric	Iron Thorns: A Tyranitar of the Distant Future?! A strange being called Iron Thorns has been sighted in a certain cave in Paldea. This being bears a strong resemblance to Tyranitar, but it apparently displays great coolheadedness and prefers to avoid unnecessary fights. It appears to be highly intelligent and clad in metallic armor, causing some to speculate that it may be a Tyranitar as it would appear a billion years from now. Its name comes from a similarly described entity that appears in the Violet Book.	Tyranitar	Rock Dark
#1006	Iron Valiant	Fairy Fighting	Iron Valiant: An Experiment Gone Wrong?! This oddity's name is borrowed from that of an object described in the Violet Book. One theory holds that it is in fact a robot—the product of a mad scientist's efforts to create the most powerful psychic Pokémon of all. According to its few eyewitnesses, Iron Valiant appears similar to both Gardevoir and Gallade. It's also said to be cruel enough to take its brilliantly shining blade and cut down anyone confronting it without hesitation.	Gardevoir	Psychic Fairy
#1006	Iron Valiant	Fairy Fighting		Gallade	Psychic Fighting
#1008	MiraidonIron Serpent	Electric Dragon	Pokédex entries: Ultimate Mode Much remains unknown about this creature. It resembles Cyclizar, but it is far more ruthless and powerful. This seems to be the Iron Serpent mentioned in an old book. The Iron Serpent is said to have turned the land to ash with its lightning. Pokédex entries: Low-Power Mode* Its characteristics match those of a mysterious object recorded in an old expedition journal as the Iron Serpent. It was given the name Miraidon by the professor who discovered it. Its ecology and other details are unknown.	Cyclizar	Dragon Normal
#1010	Iron Leaves	Grass Psychic	An Imagined Pokémon A drawing of a fantastical Pokémon as envisioned by our sketch artist. The compactness and cruelty of the strange Pokémon that dwell in Area Zero's lower reaches tickled the artist's imagination, prompting this sketch of what other species that inhabit these depths might look like.	Virizion	Grass Fighting
#1022	Iron Boulder	Rock Psychic		Terrakion	Rock Fighting
#1023	Iron Crown	Steel Psychic		Cobalion	Steel Fighting

In the core series games

History

Pokémon Scarlet and Violet

It is unknown where the Paradox Pokémon originate from. Conflicting accounts claim that they either come from the ancient past^S/distant future^V, or from different timelines.

Area Zero expedition

Imaginary Paradox Pokémon from the Scarlet Book that resembles a fusion of the Legendary beasts

Imaginary Paradox Pokémon from the Violet Book that resembles a fusion of the Swords of Justice

The first recorded sightings of Paradox Pokémon were documented 200 years before the events of Pokémon Scarlet and Violet, in Area Zero within the Great Crater of Paldea located in the center of the Paldea region. A member of the Area Zero expedition team, an author and natural historian named Heath, wrote about these sightings in the Scarlet Book^S/Violet Book^V. Area Zero would be occupied by scientists researching the Paradox Pokémon and the Terastal phenomenon. During the expedition, a member of the team was fatally injured by a Great Tusk^S/Iron Treads^V that attacked them, and another survey team member managed to take a photograph of the encountered Paradox Pokémon. They at some point also encountered a Winged King^S/Iron Serpent^V that was used in Heath's Scarlet Book^S/Violet Book^V's cover. After encountering each of the known Paradox Pokémon, Heath named each of them in his journal.

At some point, the team's sketch artist made a drawing inspired by the Paradox Pokémon they had seen, imagining what other species in the crater might look like, which resembled a combined version of the Legendary beasts^S/Swords of Justice^V. Walking Wake^S/Iron Leaves^V, Gouging Fire^S/Iron Boulder^V, and Raging Bolt^S/Iron Crown^V would be later discovered, resembling the sketch, but their connection is unclear. It is unclear how these first Paradox Pokémon arrived in Paldea, but they were supposedly brought over by Terapagos due to its Terastal energy. At the time, the Paradox Pokémon were believed to have been fabricated by Heath, thus not being considered real. As a result, Heath and his team were widely discredited. The Paradox Pokémon faded into obscurity and research on them ended for a time. None of these Paradox Pokémon similar to these groups are found in Paldea's Pokédex, but instead, Blueberry Academy's.

Project Tera

10 years before the events of Pokémon Scarlet and Violet, the Paradox Pokémon claimed to be from the ancient past^S/distant future^V were brought to Area Zero using a time machine built by Professor Sada^S/Professor Turo^V through Terapagos's Terastal energy. The professor is said to have used the time machine to send Poké Balls to different points in the timeline. The Poké Balls then caught the Paradox Pokémon, before bringing them into modern time. The reason the professor created the time machine was because they were fascinated with the Paradox Pokémon after reading about them from the Scarlet Book^S/Violet Book^V.

The professor conducted research on these Pokémon, with the ultimate goal of establishing a sanctuary in which they would be able to coexist with modern-day Pokémon. This goal would be called Project Tera. At some point, the professor created an AI version of themselves, to assist in research on Paradox Pokémon, using the very same Terastal energy that helped create the time machine. However, due to how dangerous they were to the ecosystem of Paldea, the Paradox Pokémon were kept locked away in Area Zero. At some point, security blocks and a Poké Ball Lock System were created to help both protect the time machine and Paradox Pokémon.

A quirky, friendly Koraidon^S/Miraidon^V was the first of the Paradox Pokémon to be brought into the present; a second specimen was later brought into the present as well, but it proved to be far more aggressive than the original and drove it away in a territorial dispute. At some point, the professor also renamed the species from Winged King^S/Iron Serpent^V to Koraidon^S/Miraidon^V, taking the name from a child after they found themselves in an unfamiliar place. It is later revealed that the professor was killed by the second specimen while defending the first. Because of this, the Paradox Pokémon would continue to arrive in Area Zero and eventually form their own population in Area Zero. Meanwhile, the professor's AI counterpart realized that the project was a mistake and that their creator's dreams were doomed to failure; however, their programming prevented them from doing anything that might stop the project directly.

Occulture

Later, shortly before the events of Scarlet and Violet, some Paradox Pokémon started to escape Area Zero, so a paranormal magazine called Occulture started publishing articles on recent sightings of them, theorizing about what the Paradox Pokémon could be and mentioning their similarities to the entities mentioned in the Scarlet Book^S/Violet Book^V. According to the Pokédex entries and the Occulture issues, sightings of all Paradox Pokémon happened all over Paldea, which implies that at least one of each of the Paradox Pokémon managed to escape the crater at some point.

The Quaking Earth Titan

Later, shortly before the events of Scarlet and Violet, a lone Great Tusk^S/Iron Treads^V escaped Area Zero like others did and become a Titan Pokémon after eating the Herba Mystica while roaming the Asado Desert. During the events of the games, the player and Arven defeat it, putting an end to its rampage, and taking its Herbs, which forces it back to its original size.

The Way Home

During the events of The Way Home in Scarlet and Violet, the player, Arven, Nemona, and Penny encountered several Paradox Pokémon while heading deeper into Area Zero. At Research Station 2, they encountered a wild Scream Tail^S/Iron Bundle^V, which Penny mistook for an ordinary Jigglypuff^S/Delibird^V until it became hostile. At Research Station 3, they encountered a wild Great Tusk^S/Iron Treads^V, like the one fought in the Asado Desert. Then, outside the Zero Lab, the other Koraidon^S/Miraidon^V was encountered before the group was ambushed by a group of Paradox Pokémon: Great Tusk, Brute Bonnet, and Flutter Mane^S; or Iron Treads, Iron Hands, and Iron Jugulis^V. The AI professor's Paradox Protection Protocol fights the player using seven Paradox Pokémon in an attempt to defend the time machine. After a long battle, the player and their Koraidon^S/Miraidon^V successfully defeat the Paradox Protection Protocol and the other Koraidon^S/Miraidon^V. The time machine that summoned the Paradox Pokémon was then shut down when the AI professor used it one final time to travel to the ancient past^S/distant future^V.

Post-game Paradox Pokémon

Afterward, the rest of the Paradox Pokémon can be found in Area Zero during the post-game, including Roaring Moon^S/Iron Valiant^V and the second Koraidon^S/Miraidon^V. Walking Wake^S/Iron Leaves^V have only appeared in special Poké Portal News event Tera Raid Battles. Great Tusk^S/Iron Treads^V, Slither Wing^S/Iron Moth^V, Iron Bundle, Flutter Mane^S/Iron Jugulis^V, and Sandy Shocks^S/Iron Thorns^V have also appeared in special Tera Raids.

The Indigo Disk

Later on after helping Perrin find the Bloodmoon Beast in The Teal Mask, she appears in the Blueberry Academy's Terarium, working there as a photographer to get promotional pictures for the academy. After the player catches 200 Pokémon in the Blueberry Pokédex and shows the player two blurry pictures, one of Gouging Fire^S/Iron Boulder^V and one of Raging Bolt^S/Iron Crown^V, however, she's unsure if the creatures caught in these pictures are even real to begin with. After that, the two Paradox Pokémon can be encountered in Area Zero close to where the pictures were taken, surprising Perrin that they were indeed real Pokémon.

During Briar's expedition in Area Zero Underdepths, the player encounters a Stellar Tera Sandy Shocks^S/Iron Thorns^V that they need to defeat in order to open the way to travel deeper.

	Spoilers end here.

Base stats comparison

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In the anime

Main series

Miraidon in the anime

Pokémon Journeys: The Series

A Koraidon debuted in the post-episode segment of JN137, where Team Rocket tried to catch it but failed, resulting in them getting rammed by Koraidon and sent blasting off.

A Miraidon debuted in the post-episode segment of JN138, where Team Rocket tried to catch it as well, but failed, resulting in them getting shocked and sent blasting off.

Pokémon Horizons: The Series

In HZ056, after Dot asks Chalce if she is a fan of Occulture, the undercover Explorers admin mentioned a resurrected prehistoric Volcarona (Slither Wing) and a Jigglypuff from a billion years ago (Scream Tail), marking the first direct reference to Ancient Paradox Pokémon in the anime.

Biri-Biri

A Great Tusk, namely the Quaking Earth Titan, briefly appears as a silhouette in the music video for Biri-Biri.

In the manga

An Iron Treads and a Great Tusk in Pokémon Adventures

Pokémon Adventures

Scarlet & Violet arc

Miraidon debuted as Violet's ride Pokémon. He later revealed to Arven that he had encountered it on a beach at Poco Path, after which Professor Turo had contracted him and asked him to take care of it.

In PASV02, Violet and Arven visited Asado Desert and encountered two Paradox Pokémon; the Quaking Earth Titan Iron Treads and a Great Tusk. Being outmatched against the former, they were ultimately forced to retreat.

In the TCG

Main articles: Ancient (TCG); Future (TCG)

An example of an Ancient Pokémon card

An example of a Future Pokémon card

The Paradox Pokémon Great Tusk, Iron Treads, Koraidon, and Miraidon appear in the Pokémon Trading Card Game starting with the Scarlet & Violet expansion (the Japanese Scarlet ex and Violet ex expansions) as Pokémon ex cards. Non-Pokémon ex versions of Koraidon and Miraidon were also released in the same expansion.

Starting with the Paradox Rift expansion (the Japanese Ancient Roar and Future Flash expansions), two new categories of cards were introduced: Ancient and Future, which includes all cards of Paradox Pokémon released in this set. Ancient Pokémon cards tend to have direct attacks that deal a large amount of damage, while being difficult to Knock Out. Future Pokémon cards tend to have Abilities and attacks with extra effects, allowing for craftier strategies.

Trivia

The Shiny colorations of the ancient Paradox Pokémon are based on the Shiny colorations of the Pokémon they are based on. In contrast, every future Paradox Pokémon has a metallic grey Shiny colloration, possibly to reflect their robotic appearances and natures. The only exceptions to these are Koraidon and Miraidon.
Donphan, Volcarona, and Cyclizar are the only Pokémon to have both ancient and future Paradox Pokémon counterparts.
- All three of these Pokémon have Fighting-type ancient counterparts.
Iron Valiant is the only Paradox Pokémon to be based on more than one Pokémon.
Roaring Moon, Iron Jugulis, and Iron Thorns are the only Paradox Pokémon to have a lower base stat total than their contemporary counterparts (all of which are pseudo-legendary Pokémon).
The ancient Pokémon, Flutter Mane, Scream Tail and Sandy Shocks are the only Paradox Pokémon whose contemporary relatives are not fully evolved. Furthermore, these contemporary Pokémon all evolve with Evolution stones.
No Paradox Pokémon based on a version-exclusive Pokémon is available in the same version as its present-day counterpart in Pokémon Scarlet and Violet, except for the post-release Paradox Pokémon based on Legendary trios; for example, both Raikou and Raging Bolt are exclusive to Pokémon Scarlet.
All Paradox Pokémon are dual-type.
- All Paradox Pokémon share one of their types with their apparent relatives and have another type that the relative lacks.
- There is at least one Paradox Pokémon of every type except Normal.
- Dragon is the most common types for Paradox Pokémon to have, with six Paradox Pokémon having it.
- Miraidon and Raging Bolt are the only Paradox Pokémon to share both of their types with each other.
The naming convention for Paradox Pokémon differs by language:
- In Japanese, Spanish, Italian, and German, along with all East Asian translations, Paradox Pokémon are named with a single word.
- In English, Paradox Pokémon are named with a two-word descriptor; all future Paradox Pokémon have "Iron" as the first word in their names.
- In French, Paradox Pokémon are named with two or three words hyphenated into a single name; all future Paradox Pokémon have the suffix "-de-Fer" in their names.
All ancient Pokémon are taller than the Pokémon they are based on, while all future Pokémon except Miraidon are shorter.
- Furthermore, all ancient Pokémon weigh more than the Pokémon they are based on except Sandy Shocks, which weighs the same as Magneton.
Raging Bolt and Gouging Fire are the only ancient Paradox Pokémon that do not have yellow eyes.
Despite all of the future Paradox Pokémon having “Iron” in their name, only Iron Treads and Iron Crown are actually Steel type.
In their battle against the player in Pokémon Scarlet and Violet, Professor Sada^S/Professor Turo^V uses every Paradox Pokémon present in the base game, with the exception of Great Tusk^S/Iron Treads^V, which is instead fought as a Titan Pokémon earlier in the story.
Generation II and Generation V are both tied for having the most Paradox Pokémon counterparts of Pokémon that debuted during them, at seven each. Out of the generations that have at least one, Generation IV has the fewest, at one. Generation VI, Generation VII, and Generation VIII all have no Paradox Pokémon counterparts of Pokémon at all (though Roaring Moon is based on Mega Salamence, a form that was introduced in Generation VI).
The Paradox Pokémon share similarities with the Ultra Beasts, another group of Pokémon.
- Both groups consist only of Pokémon that cannot evolve in the first set of games they appear in.
- Both play a role in the main story of their debut games.
- Both appear to originate from another world.
- Both groups consist entirely of gender unknown Pokémon in the No Eggs Discovered Egg Group, thus being unable to breed.
- Both are connected to the mascot Legendary Pokémon of the games they were introduced in.
- Both have base stats themed around a certain type of number, with the ancient Pokémon having odd-numbered base stats and all future Pokémon have even-numbered base stats, while Ultra Beasts have base stats themed around prime numbers. Additionally, the levels they learn moves at are themed around numbers, with Paradox Pokémon learning moves around multiples of seven, while Ultra Beasts learn moves around prime numbers.
- The majority of Pokémon in both groups have a base stat total of 570.
- Every Ultra Beast and Paradox Pokémon (except Koraidon and Miraidon) has an Ability that boosts its most proficient non-HP stat.
- Promotional material for both groups' debut games did not refer to them as Pokémon or reveal any of their types prior to the games' releases.
- Characters in the games are initially unsure whether the members of either group are actually Pokémon.
- With the exception of Koraidon and Miraidon, both groups have a certain sound sample that recurs in their cries.
The term "Paradox Pokémon" may be a reference to Animalia Paradoxa or the concept of a temporal paradox.
The Paradox Pokémon (excluding Koraidon and Miraidon) and Type: Null are the only Pokémon to have Spanish, Italian, Brazilian Portuguese, and Turkish names different to their English names, Russian names that are not orthographic transcriptions of their English names, and Thai names that are not orthographic transcriptions of their Japanese names.
All Paradox Pokémon's Pokédex entries in the versions they are not obtainable in reference Occulture, except Koraidon and Miraidon, whose entries instead reference them resembling Cyclizar but being more aggressive, as well as little being known about them.

In other languages

Paradox Pokémon

Monsters of Area Zero

Enigmas of Paldea

Ancient Pokémon

Future Pokémon