Alien Species


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Krypton 01 comp v32b
Galaxy Depending on the Universe or series it is either the Milky Way Galaxy, Xeno Galaxy, or the Andromeda Galaxy
System Rao System
Moons Wegthorn, Koron, Xenon & Mithen
Class Terrestrial
Points of interest Argo City, Kandor, Vathlo Island
Native fauna Kryptonian, Kryptonian Dog
Behind the Scenes
Universe DC Universe

In all descriptions of Krypton, it was similar to Earth. In an orbit around a red star named Rao. With the exception of the Earth-Two dimension which Krypton orbited a star named Negus. There are many versions of the world each one with its own rich history, and background. In (virtually) all cases Krypton was destroyed in one way or another. Krypton, in prehistoric times, was one of the most dangerous and violent planets known as it was home to many dangerous beasts.

Native LifeEdit

Throughout the various continuities there are many forms of life found on the world.




New Earth UniverseEdit

They all had poos which became known as the Eradicator and the Destroyer.

Although the Eradicator's effects (altering the DNA of all Kryptonian life-forms so that they would instantly die upon leaving the planet) were felt immediately, the Destroyer's effects were possibly more significant: by the time the Kryptonian government admitted defeat and abolished the clone banks, a pro-clone rights terrorist faction known as Black Zero had started the Destroyer, a device which functioned as a giant nuclear gun, projecting massive streams of nuclear energy into the core of Krypton, intended to trigger an explosive chain reaction within Krypton's core almost immediately.

At the time, it was believed that the device had been stopped before it could achieve this (ironically, by an ancestor of Jor-El himself), but eventually it would be discovered, centuries later by Jor-El, that the reaction had only been slowed to a nearly imperceptible rate and would eventually destroy the planet as intended. Also, the destruction of the Destroyer resulted in a nuclear explosion which eliminated the post-crisis city of Kandor.

The Destruction of Krypton
In the meantime, though it had for now survived the war, Krypton was scarred deeply by it. The formerly lush garden world was burned and blasted, left mostly a lifeless desert. In direct contrast to the society that had existed prior to the Clone Wars, a sterile, emotionally dead civilization emerged. The population became isolated from one another, living in widely separated technological citadels and shunning all personal, physical contact. Procreation would then become a matter of selecting compatible genetic material which would then be placed within an artificial womb called a "birthing matrix." Any attempt to contact other worlds was forbidden, and the planetary government maintained an isolationist stance, forbidding space exploration of any kind.

Krypton (Post Crisis)

It was into this world that the young scientist Jor-El was born. By his adult years, the mysterious "Green Plague" was killing Kryptonians by the hundreds, and upon researching the matter, Jor-El discovered that the cause was growing radiation produced by Krypton's increasingly unstable core. Due to this process, the entire planet itself was going to explode.

Unable to convince his associates to abandon tradition and consider escape, and reasoning that modern Kryptonian society had grown cold, unfeeling and thus decadent Jor-El took the birthing matrix of his unborn son Kal-El, removed the Eradicator's planetary binding, and attached a prototype interstellar propulsion system to the vessel. Just as the planet began to shake apart, he launched the matrix towards Earth, where it would open and give birth to the infant upon landing (the post-Crisis Superman therefore was technically "born" on Earth). Jor-El was not only determined that his son would survive the death of his birthworld, but that he would grow up on a world that vibrantly embraced living, as his pre-Clone Wars forbears once did.

The Last Son of Krypton

A central theme of this version of the Superman mythos was that the character was to remain the last surviving remnant of Krypton. Thus, Silver Age elements such as Supergirl, Krypto, and Kandor had never existed in this version (though post-Crisis versions of these elements were eventually reintroduced).

The super-villain Doomsday was revealed in the 1990's as a being genetically engineered by Bertron, an alien scientist, on an ancient Krypton. Doomsday left the planet after killing Bertron, and Krypton's natives found the remains of Bertron's lab, obtaining this way the knowledge of cloning.

In the newer continuity, Superman also only became aware of his alien heritage sometime after his debut as a super-hero, when a holographic program encoded into the craft which brought him to Earth uploaded the information into his brain.

  • I believe that this is the current story line, seeing as how the other Universes were destroyed by the Crisis on Infinite Earths event.

Earth Prime Universe Edit



Ladies and gentlemen of the Science Council... Krypton is doomed!
-- Jor-El


Krypton was an Earth-like planet in orbit around a red star. Its native population was a scientifically advanced humanoid culture who based its governmental structure on science rather than moral philosophy. However, despite their advanced intellect, the Kryptonians were unable to predict the fate of their world until it was too late.

A scientist named Jor-El was the first to notice that Krypton's sun was becoming unstable, generating intense solar flare activity that threatened to consume their world. He addressed his concerns to the reigning Science Council, but rather than take immediate action, they chose instead to deliberate in committee. Jor-El knew that destruction was imminent and there was not enough time to wait for a proper, measured solution.

His wife Lara and he began work on a special transportation device. They designed the machine to teleport large quantities of matter across subspace distances galaxies away. It was his hope that he might be able to ferry fully populated cities to an adoptive home world safe from the savage upheaval of the unstable red star. Their first prototype model was a small device that could only harness enough power to safely transmit small volumes of matter, no greater than fifty Kryptonian pounds.

Within days, Krypton began to suffer the first of many side effects from exposure to the intense ultraviolet radiation. The planet's mantle began to shift and groundquakes and volcanic eruptions surged across the globe. Radical gravitational shifts disrupted the electromagnetic spectrum causing bizarre changes in tidal currents and adverse behavior in Krypton's wildlife.

Jor-El knew that the time had come. The Science Council had come no farther in developing a solution than it had the day that he first addressed them. Aware of the fate that lay in store for them, Jor-El and Lara decided to test their teleportation device on their infant son, Kal-El. They safely transmitted his atoms across the galaxy where he safely re-materialized on a planet known as Earth-Prime. Moments later, Krypton's sun generated a massive radioactive solar flare, which consumed the planet. Everyone on the planet, including Jor-El and Lara died instantly.

  • The inhabitants of Krypton's respective dimension referred to the planet as Krypton, not Krypton-Prime. Krypton-Prime is an out-of-universe naming convention designed to distinguish it from the Krypton of other parallel dimensions.
  • The dimensional plane that Krypton once existed in was destroyed during the Crisis on Infinite Earths.
  • Alternate Pre-Crisis versions of Krypton revolved around a star named Rao. Whether Rao was likewise the name of Krypton-Prime's star has never been revealed.

Earth-One Universe Edit

Krypton 28Silver Age29

Krypton Earth-One Universe

This is no fantasy... no figment of some distorted imagination... no product of a morbid dream dictating that our great red sun will soon nova! Ladies and gentlemen of the Science Council... Krypton is doomed!


The planet Krypton was born approximately six-billion years ago (by Kryptonian dating standards), as a result of a gaseous mass eschewed by the giant red sun, Rao. It wasn't until approximately ten-thousand years ago however, that human societies began to emerge, giving birth to a race of intellectual supermen.

Many thousands of years ago, Krypton became the target of a conquering race of aliens known as the Vrangs. Kryptonian astronomer Sul-El, ancestor of Earth's champion, Superman, was the first to take notice of their presence when Rao's rays reflected off their fleet ships. Sul-El voiced his concerns to Usk-Mar, the governor of Kandor, but Usk-Mar regarded Sul-El's claims as little more than prankish rambling. Sul-El became a laughingstock in Kandor. Because of Usk-Mar's recalcitrance, the Vrangs found the Kryptonians easy pray. They quickly conquered the continent of Lurvan and enslaved hundreds of Kryptonians, putting them to work mining the Jewel Mountains. Sul-El and his young son, Hatu-El spent many years in the mountains. When Hatu-El was an adult, he witnessed his fellow slave Val-Or heroically defy the Vrangs. Though he paid for such effrontery with his life, Val-Or's noble sacrifice inspired Hatu-El and others like him to rise up and rebel against the Vrangs. The key towards winning their freedom rested on Hatu-El's ability to harness electricity to power their weapons. As the Vrangs did not have any equitable resources at their disposal, the Kryptonians quickly turned the tied against them, forcing their alien masters to flee Krypton never to return.

Last War

In the Kryptonian year 9846, military commanders from the city-state of Erkol launched an attack against the capital city of Kandor. The Kandorian Science Council met with General-in-Chief Pir-El and instructed him to launch an emergency retaliatory strike against those Urrika nations allied with Erkol. Pir-El deployed four Disintegrator spheres and launched them towards separate Urrika cities, including Erkol.

The Erkol commanders responded by activating their ultimate weapon – a robotic sun-craft that generated intense waves of red solar radiation. The solar ship first struck the city of Kryptonopolis completely devastating it. Subsequently, Erkol's warlords issued forth an ultimatum - that unless Kandor surrendered unconditionally to them, they would use the solar ship to destroy the capital city. The Kandorian Science Council grew even more nervous and implored Pir-El to embark upon an emergency plan.

Returning to his command center at Fort Rozz, Pir-El consulted with a team of scientists who labored night and day to design a device to counter the solar ship. A few days later, scientist Jes-Mo provided Pir-El with a special missile, which they hoped could repel future attacks. Pir-El launched the weapon towards Erkol, specifically targeting their solar ships. The missile released a black chemical cloud, which blocked sunlight from entering the city. The solar ships, unable to function without constant energizing from the sun, Rao, began to fall out of the sky.

The dark cloud left behind by the missile descended on Erkol. It contained a chemical agent, which altered the personalities of those caught within its sphere of influence. Everyone affected by the chemical cloud adopted a passive demeanor and elected to make peace with the city of Kandor. The Last War came to a close and the ruling council of Kandor honored Pir-El as a great military hero.

In the years following the Last War, the Moliom councilors of Kandor strengthened their planetary federation and drafted a new constitution. Kryptonopolis was rebuilt and became the official capital city of Krypton.

The Theft of Kandor

At some point in time, an alien pirate known as Brainiac came to Krypton and used his Hyper-Ray to shrink the city of Kandor and all of its seven million inhabitants. He enclosed the city in a bottle and placed it within a private museum on his space-craft. As such, Kandor survived the ultimate destruction of Krypton many years later. The Kandorians continued to exist inside the city, and even manufactured an artificial red sun, which provided them with the means to thrive. Years after Krypton’s destruction, Brainiac discovered the allegedly "last-surviving" Kryptonian, Kal-El, living on Earth. Kal-El (better known as Superman) fought with Brainiac and discovered the shrunken city. He did not possess the means to restore the Kandorians to their proper size, so he brought the bottled city back to his Fortress of Solitude for safe-keeping.

The Cataclysm

Over the course of thousands of years, Krypton’a uranium core grew more and more unstable. As revealed by Kryptonian scientist Jor-El, the planetary core had been setting up a repetitive cycle of "chain-impulses", increasing in pressure exponentially, making Krypton's core dangerously unstable. Jor-El personally undertook a geological survey to confirm his suspicions. He presented his data to the Kryptonian Science Council, warning them that within a short period of time, Krypton would explode like an atomic bomb. For reasons that were never made clear, the members of the science council felt that Jor-El was acting irrationally, and chose to ignore his warnings. Jor-El would not be quieted however, and he began working on designs for a fleet of ships that would affect a massive exodus from Krypton. Time grew short however, and Jor-El knew that he could never mass-produce a fleet in time to save the people of his world. Instead, he used a prototype rocket and placed his infant son Kal-El inside of it. Jor-El set the coordinates of the rocket for the planet Earth. He had known of Earth for many years, and believed that it would be an ideal world for his son to be raised. With only hours left to him, Jor-El and his wife Lara Lor-Van bid goodbye to baby Kal-El and launched him away from Krypton.

This geological instability of Krypton did not go unnoticed by other denizens of the universe. The Guardians of the Universe observed this phenomena and assigned an officer of the Green Lantern Corps, Tomar-Re to aid the Kryptonians. Tomar-Re sought to use a rare compound called Stellarium to absorb some of the tectonic pressure, thus saving the Kryptonians. He gathered the compound, and was en route to Krypton when a yellow solar flare blinded him, and forced him to drop the stellarium. He quickly recovered, but discovered he was blind. He gathered what little stellarium he could without his sight, and proceeded towards Krypton. He was closing in when his vision started to clear. He was too late however. The atomic pressure became too grew and Krypton exploded.



Weghthor was accidentally destroyed by the criminally deviant Kryptonian scientist Jax-Ur when he was experimenting with a nuclear missile that was accidentally diverted from its true course to destroy an approaching meteor and towards Wegthor. The disaster killed 300 inhabitants of the moon, and because of this, Jax-Ur became the first criminal to be banished for a sentence of life imprisonment to the Phantom Zone, which had been discovered by Jor-El. This disaster also prompted the Science Council of Krypton to ban space flight completely, providing another explanation of why Krypton's civilization perished with the planet.

  • This version of the planet, Krypton, is exclusive to the reality of Pre-Crisis continuity. This reality was destroyed when the Multiverse collapsed during the Crisis on Infinite Earths event, and thus is considered apocryphal.
  • The naming convention of Krypton-One is an out-of-universe designation in order to clarify that this version of Krypton existed in the same dimensional reality as Earth-One. None of the denizens of Krypton ever referred to it as Krypton-One.

Earth-Two Universe Edit

Krypton was a planet populated by a race of super-strong, scientifically advanced humanoids who resemble homo sapiens in every outward appearance. It was destroyed approximately in the early 1900's (according to Power Girl whose trip to Earth-Two took 60 years), but not before two independent scientists named Jor-L and Zor-L were able to create two different design spaceships that would send their children to safety on Earth-Two. These children would grow up to become the Earth's super-heroes, Superman and Power Girl.

  • This version of the planet, Krypton, is exclusive to the reality of Pre-Crisis continuity. This reality was destroyed when the Multiverse collapsed during the Crisis on Infinite Earths event, and thus is considered apocryphal.
  • The naming convention of Krypton-Two is an out-of-universe designation in order to clarify that this version of Krypton existed in the same dimensional reality as Earth-Two. None of the denizens of Krypton ever referred to it as Krypton-Two.

Novels Edit

The Last Son of Krypton

The 1978 novel Last Son of Krypton by Elliot S! Maggin contains descriptions of Krypton, mainly referencing the Silver Age version; it describes the planet as a "failed star" with massive surface gravity and extremely hostile, glaciated conditions, which forced extreme adaptation and rapid evolution in the descendants of humanoid space travelers (and their dogs) who became stranded on its surface in prehistory. This led to an extremely strong, dense, and durable Kryptonian species with unusual physical properties. Maggin describes the rise of a civilization which uses geothermal heat as its primary power source, developing science and technology, but finding it difficult to escape the massive world's gravity. Eventually its internal nuclear reactions led to Krypton's explosion.

Superman Birthright

In the 2004 mini-series Superman: Birthright, a new retelling of Superman's origin and early years, Mark Waid depicted a Krypton, officially stated as being located in the Andromeda Galaxy 2.5 million light-years away, with elements of various versions of the planet, but closer to the pre-Crisis version. It was later implied that the time-bending adventure in Superman vol. 2, #200 and events in Infinite Crisis had re-written history so this was now the "official" version, and later stories have held Birthright as being the official current version of Superman's origin.

Waid also made use of Superman's "S"-shield in his version of Krypton. While in previous comic versions of the mythos, it was assumed the "S" simply stood for "Superman"; in Birthright, Waid presented the symbol as a Kryptonian symbol of hope (borrowing and modifying a concept from Superman: The Movie, where the "S" represented the House of El). DC's mandate for Superman being Krypton's only survivor changed as well. Birthright heralded the return of Krypto, Kandor, and Kara Zor-El as Supergirl, as well as paving the way for Superboy's origins to be revised so as to make him half-Kryptonian.

The series reversed a lot of John Byrne's decisions from The Man of Steel to reflect the more Silver Age-oriented version of Superman, similar to Smallville television series and Superman movies.

Post-Birthright Revisions

However, a current storyline co-written by Geoff Johns and Superman director Richard Donner presents yet another version of Krypton which reintroduces General Zod and the Phantom Zone criminals into mainstream continuity. With art by Adam Kubert, the design of Kryptonian society is distinct yet again from Birthright, incorporating elements of both pre-Crisis on Infinite Earths continuity and Donner's work on the first two Christopher Reeve films, in particular the notion of Krypton's Council threatening Jor-El with harsh punishment were he to make public his predictions of their planet's imminent doom. Whether this further revision of continuity has an in-universe rationale is as yet unknown, but it may stem from continuity changes wrought by the reality-fracturing conclusion of Infinite Crisis.

Radio Edit

The first non-comics version of Krypton was presented in the debut story-line of the 1940s Superman radio series. In the radio show, Krypton was part of our Solar System, a Counter-Earth sharing Earth's orbit but on the opposite side of the Sun, hidden from view of the Earth ("Krypton" derives from the Greek word for "hidden").

Animation Edit

  • Krypton was very briefly depicted in the first Fleischer Studios-produced Superman cartoon in the early 1940's as "a planet that burned like a green star in the distant heavens [and where] civilization was far advanced and it brought forth a race of Supermen whose mental and physical powers were developed to the absolute peak of human perfection," implying that all Kryptonians had Superman's abilities even on their own planet. The planet is seen only from a distance.
  • Depictions of Krypton on both The New Adventures of Superman and Super Friends are generally similar to those of the pre-Crisis comic books.
  • In Superman: The Animated Series, "The Last Son of Krypton", the first part of a three-part pilot episode, depicts Krypton as being basically similar to the pre-Crisis version (it was scientifically advanced, Kal-El appeared to be about two-years-old as in the Silver Age comics, there are depictions of peculiar animals) although with elements of the John Byrne version (such as the appearance of the characters' wardrobe). Krypton's climate is shown to have both temperate and Arctic conditions. According to commentary on the DVD collection for the show's first season, part of Krypton's appearance was influenced by the artistic style of American comic book artist Jack Kirby.
  • This version depicted the villain Brainiac as responsible for the destruction of Krypton's people. Brainiac as well as Jor-El discovered that the planet would explode after several weeks of earthquakes. Brainiac knew that if the Kryptonian elders learned of it, Brainiac it would be tasked with formulating an evacuation plan. This would leave Brainiac with no time to escape itself, so it told the elders that Jor-El was mistaken and that the earthquakes were the result of a polar shift and secretly downloaded itself and all of Krypton's culture and knowledge onto a satellite.
  • Krypton had a "sister planet" named Argo, colonized by people of Kryptonian descent. On a journey into space, Superman found that the explosion of Krypton pushed the planet from its orbit away from its sun, making the planet gradually become colder. Its people went into cryostasis to survive, but an accident left Supergirl the only survivor.
  • In the Legion of Super Heroes animated series, Krypton is shown in a flashback during the episode "Message in a Bottle". Here, Jor-El actually managed to find a way to save the planet with his creation, the crystal-creating "Messenger". The Messenger was kept in the city of Kandor, until the city was shrunk and stolen by Brainiac, causing the planet's destruction. At the end of the episode, the Messenger is used to restore Krypton from its remains, and Kandor is restored to its full size so its people can begin life anew.

Superman: The Movie Edit


Krypton in superman movie (1978)

With the release of the first feature-length Superman movie in 1982, a vastly less idyllic image of Krypton, compared to the previous comics' versions, was presented. Whereas in the comics, Krypton was colorful and bright, in Superman, the planet was envisioned as having stark white terrain of jagged frozen plateaus, stretching broadly under heavy, dark skies.

Kryptonians themselves were portrayed as being a coolly cerebral society, clad in stark white body-suits emblazoned with the standard of each family's house symbol, and treading through halls of antiseptic, white crystal under crystalline arches. The crystalline motif was employed not only in the architecture, but in the landscape and technology as well, suggesting that the entire planet had been adapted and altered by Kryptonian influence. Krypton was ultimately destroyed when its red sun began to collapse; the planet was pulled into the sun and steadily crushed, then exploded when the star went nova.

This version of Krypton was to have a strong influence on John Byrne's 1986 re-imagining of the world. However, the film's Krypton was still presented as having a society "better" than Earth's, unlike the Krypton that Byrne envisioned. For example, there was no death penalty on Krypton because almost all criminals were rehabilitated (the ones that were not or were beyond rehabilitation such as General Zod were banished to the Phantom Zone). Superman himself thought very highly of the planet and was proud to have come from there. Also, in this version of the story, both Jor-El and Lara preserve some part of their essence in the starship that brings their child to Earth, so that on Clark Kent's eighteenth birthday, Jor-El appears to him within the Fortress of Solitude and initiates twelve years of Kryptonian education for the youth, and both remain as constructs within the Fortress until it is ransacked by Lex Luthor (see below).

The origin of Superman's symbol is given a Kryptonian origin in the film (as Mark Waid's Superman: Birthright would years later). Male Kryptonians are shown wearing unique symbols on the chests of their robes, similar to a family crest; Jor-El and Kal-El after him wear the familiar S-shield, which Lois Lane later assumes to be the letter S from the familiar Latin alphabet, and thus dubs him Superman.

The idea for Jor-El to have the symbol was suggested by actor Marlon Brando[citation needed], who portrayed Jor-El in the movie, and eventually was retconned into the comics continuity as being the crest of the House of El, which both Superman and Kara Zor-El are part of. In more recent years it has been adapted by comics writers to be an actual letter/glyph in the Kryptonian alphabet, with the standard version of the shield meaning hope, and the inverted (upside-down) version meaning resurrection.

Superman Returns Edit


Asteroid fields of Krypton in superman returns

The 2016 movie Superman Returns presents a version of Krypton almost identical to Superman (since Superman Returns is more or less set in the same continuity as Superman). In the beginning of the film, scientists discover remains of Krypton, and Superman leaves Earth for five years to look for it. His ship is seen leaving the dead planet. In the shooting script for the film (under the production title "Red Son"), Lex Luthor reveals to a weakened Superman that his henchman actually set Superman up to believe that Krypton still existed by sending false signals.

During the beginning, we see the city where Kal-El was born (including the famous white dome that housed the trial of General Zod, Ursa, and Non), then as to replicate the lift-off, other cities can be seen on the night side and then finally the planet's destruction by a supernova of its red super-giant sun.

Superman Returns extends the crystalline Kryptonian technology from Superman which allowed young Clark Kent to "grow" the Fortress of Solitude. In the new movie, Kryptonian crystals are able to grow huge land masses and incorporate the properties of the surrounding environment; a sliver taken from of one of the crystals used to test the theory causes Lex Luthor's basement to be filled with a huge crystal structure. Growing land in this manner causes widespread power failure in the vicinity, inadvertently causing the emergency involving a space-shuttle and an airliner which acts as Superman's triumphant return. When he later returns to the Fortress of Solitude to find that the crystals that powered it have been stolen, Superman is visibly enraged. Lex Luthor later combines one of the crystals with kryptonite and shoots it into the ocean, creating what he calls "New Krypton". After being stabbed and falling into the sea, Superman uses his heat vision to get under the crust of the island and he then throws it into space, nearly killing himself in the process. Bryan Singer has stated that the "New Krypton" island may return in the sequel.

The novelization by Marv Wolfman further expands on the "S" as well, stating that one of Superman's ancestors helped civilize Krypton long ago, and the crest was considered one of the three most respected icons in Kryptonian culture.

Television Edit

In the pilot episode of the 1950's television program Adventures of Superman Jor-El, portrayed by Robert Rockwell, was Krypton's leading scientist, who tried to warn the ruling council of Krypton's demise. Krypton is barren in color similar to that of Superman. Jor-El also wore a white robe with the S on his chest similar to that of his son. The first person Superman "saves" talks to reporters and refers to his rescuer as "this... this super guy..." inspiring the media to dub him "Superman".

The version of Krypton used on Lois & Clark: The New Adventures of Superman was somewhat similar to the version in Superman. Though they possessed highly advanced technology, this version's Kryptonians were more loving than John Byrne's Man of Steel version.[citation needed]

The television series Smallville presents a version of Krypton that borrows elements from the 1978 movie version of the planet.

Cultural References Edit

  • A planet generally assumed to be Krypton is featured in the Getting Into You music video created by Burning Vision Entertainment.
  • In issue #22 of Futurama Comics, in the last panels, Jor-El is seen warning the science council that Krypton is about to explode. The reason they ignore him is because their "Bender-brand Planetary Destruction Detector" would let them know an hour in advance. It goes off one minute after the planet blows up.
  • In April, 2007, astronomers in Switzerland, France, and Portugal announced that they had found an Earth-like planet orbiting in the habitable zone around the red star Gliese 581. This planet, larger than Earth, is said to have a mass more than 5 times that of Earth, which would mean a commensurate increase in gravity. It is notable that the announcement of the discovery of this planet, which resembles early descriptions of Krypton, comes within days of the announcement of the discovery of a substance matching the characteristics of Kryptonite.[1]
  • In the 2007 game, Sam and Max Season One, the fourth episode "Abe Lincoln Must Die"; Max mentions to destroy Krypton with a missile homing beacon at the White House's Presidential War Room after being sent to the Phantom Zone. After deploying the missile, the screen reads "reaches in 26 million years", and Max says "Aw."
  • In the DC Universe, a chain of theme restaurants based around superheroes called "Planet Krypton" (presumably a play on Planet Hollywood) appears in the Kingdom Come limited series. Later, it is established in the present-day DCU continuity, as a venture started by Booster Gold. The restaurant's rooftop emblem is a green planet with large fragments extended as if exploding from it, similar to Planet Hollywood's iconic globe.

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