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Kryptonians are an alien humanoid race of being who originate on the planet Krypton. Kryptonians are basically humans in their structure and appearance, but their biology is far more advanced than that of Earth based humans where they are able to utilize energy in their body with far more direct and elaborate manners than Earth based humans do.

Various dimensional Kryptonians have developed superpowers in regards to Earth based humans that vary drastically in comparison to their various native dimensions. Super speed, heat vision, x-ray vision, and super breath are among many Kryptonian superpowers.


Earth-One dimension Kryptonians' bodies are able to directly absorb and process yellow solar radiation through their body for a host of effects that would allow them true infinite power levels when fully charged. Red sun radiation would not only interfere with that absorption but directly drain Earth-One Kryptonians of all their powers.

See also: World of Krypton Vol 1


Earth-Two dimension Kryptonians' bodies had advanced to the point were they are able to produce these energies for effect on their home planet in the red sun system which was very different from most other known Kryptonians. Earth-Two dimensional Kryptonians naturally produce and maintain these power levels regardless of being in a yellow or red sun system. Originally the level of power that Earth-Two Krytonians had in comparison to other dimensional Kryptonians were far lower than those of other dimensions such as the Earth-One dimension. However some Earth-Two dimension Kryptonians have advanced to higher levels but are usually far less than those of the other dimensions such as Kal-L and Power Girl.


Earth-Three dimension Kryptonians' bodies gained their superhuman powers through the energies of Kryptonite rather than that of a yellow sun. They would lose their powers if separated from the energies of Kryptonite but the process of leaking was slow and would take time to completely drain off.


Earth-Prime Kryptonians' bodies, like those native to the Earth-One dimension, are able to directly absorb and process yellow solar radiation through their body for a host of effects that would allow them true infinite power levels when fully charged. But unlike Earth-One dimension Kryptonians on which red sun energy would directly drain Earth-One dimension Kryptonians, Earth-Prime Kryptonians would not be charged any longer. While Earth-Prime Kryptonians would also lose their powers in a red sun system the drainage would not be immediate.

Pocket Universe

Main article: Pocket Universe

Kryptonians from the Time-Trapper Pocket Dimension functioned almost identically to that of the Earth-One dimension and had literally almost infinite power abilities .

New Earth

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Prime Earth

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Kryptonians are a highly technologically advanced people. Their technology seems to be based on self-grown crystals which made up the vast majority of their planet's surface. Vast amounts of data and information could be stored on relatively small crystals. The Fortress of Solitude is a recreation of Krypton's surface, and also serves as a storehouse for all the knowledge obtained by the Kryptonian race from the 28 known galaxies.

Each Kryptonian family, or what is called a "House," is represented by a crest or symbol, often worn by the head of the house. The House of El, for example, is represented by an "S"-like shape. Coincidentally, Superman wears this same symbol on his costume that serves for dual meanings: his Kryptonian heritage and the "S" for Superman.


When Krypton was destroyed, it was thought that the entire Kryptonian race was destroyed. This was largely disproven by the survival of Kal-L or Kal-El, who was sent off Krypton to Earth by their fathers right before their source worlds were destroyed. Kal-L grew up on Earth as Clark Kent and eventually discovered his Kryptonian origins, where Kal-El grew up on Earth aware of his Kryptonian heritage. The current incarnation reflects more of Kal-L, understanding that he is biologically Kryptonian but considering himself as a human culturally.

Kal-El and Kal-L were NOT the only survivors of their respective home worlds. In most dimensions, their cousin Kara (Power Girl in Earth-Two dimension and Supergirl in Earth-One dimension and current reality) would also be sent from Krypton to Earth. In some dimensions, the entire city of Argo would also survive the destruction of Krypton either being thrown off the exploding planet or as a space colony away from the source planet. Supergirl, cousin of Superman, also survived Krypton's destruction and made home on Earth. The capital of Krypton, Kandor, was also spared from destruction as it was shrunken by Brainiac.

In the film Superman, young Clark discovers who he is in the Fortress of Solitude, where a crystal hologram of Jor-El tells him "You are the only survivor of the planet Krypton." The last remark also appeared to prove untrue as prisoners of the Phantom Zone, such as General Zod, also survived the destruction of Krypton.

Powers and Abilities


  • Kryptonian Physiology: Kryptonian cellular structure is much more dense, resilient, and biologically more effective than human tissue. They do not possess superhuman strength levels despite their enhanced cellular ability without their cellular structure charged with yellow solar energy. Without such charging, their physical capabilities are identical to a human of their height and weight who engages in regular physical activity. As aliens, they possesses several organs whose functions are not yet disclosed or understood, but are believed to be part of or the source of their bio-matrix force field and reclamation aura. Kryptonians' bodies also store energy actively within their bio-cellular matrix as an energy pattern which is linked to their body's electromagnetic field. This energy powers most of their electromagnetic capabilities such as flight, heat vision and other "sight"-based abilities while supplementing their physical abilities to superhuman levels.
    • Solar Radiation Absorption: As Kryptonians, their cells function like a super battery, hyper metabolizing specific wavelengths of radiation as fuel to enable living functions and/or superhuman abilities. Different wavelengths of radiation have different effects on Kryptonian physiology and well being, but their cells cannot absorb or utilize all types of radiation. The wavelength of their home solar system's red sun enables their body to function on an identical level of a healthy human while the Earth's solar radiation in both its raw and filtered state through the Earth's atmosphere acts as fuel to enable all of their powers. Every time Kryptonians use any of their superhuman abilities, their bodies expend absorbed sunlight and they are capable of utilizing any of them to various degrees through controlled circumstances. The solar-based radiation of a foreign blue star proved to increase their known abilities under a yellow sun to a higher degree and enabled additional powers. The existence and constant exposure to proven "healthy" radiation sources are not required for them to live and utilize their powers, but prolonged periods without exposure to them and/or utilizing their powers will require them to recharge in order to live and continue using their powers.
      • Superhuman Strength: The exact limits of Kryptonians strength are unknown, but they are capable lifting far in excess of 100 tons. Different periods and intensities of exposure to Earth's solar radiation can cause their strength to fluctuate over time. Kryptonians' known feats include lifting an enormous pyramid and flying it to Mars without any strain and having the strength necessary to shatter small planets. Unhealthy levels of high exposure to specific radiation can exceed Kryptonians' "normal" strength level.
      • Invulnerability: Their bodies are nigh-invulnerable due to their superhumanly dense cellular and anatomical structure as well as their radiating bio-electrical aura. Kryptonians are under some circumstances resistant or immune to different forms and levels of lacerations, blunt force trauma, energy-based assaults, falls from great heights, explosions, the cold void of space, toxins and all known diseases on Earth. Their supercharged bio-electric "aura" acts as an invisible "force field" radiating within a few millimeters from their skin. They can willfully utilize their aura strengthening it's power to a greater degree to provide an additional defense against certain levels of physical and energy attacks for a considerably short period of time, but doing so can endanger them should the attempted feat prove inefficient for any reason. Kryptonians utilize their aura by expanding it around a person(s) or object(s) to enable their structural stability when lifting or traveling with them. Kryptonians' invulnerability has been in constant fluctuation over the years. They have been shown surviving the blast of nuclear warheads, entering the Earth's sun and emerging unharmed and surviving the impact of an exploding sun.
      • Longevity: Kryptonians can live almost indefinitely if they reside under continuous exposure of Earth's sunlight.
      • Superhuman Stamina: They have the ability to maintain continuous physical actions for an undefined period. Kryptonians are shown to have unlimited stamina if they are consistently exposed to Earth sunlight.
      • Flight: Kryptonians are capable of flying at supersonic speeds (over two thousand miles per second) in a planetary atmosphere and at faster-than-light speeds while in space.
      • Superhuman Speed: They are capable of moving, reacting, running and flying at superhuman speeds. While not as fast as the Flash on planet Earth, Kryptonians can fly at speeds faster than light and are considered one of the fastest beings in the universe. They can use this power to disarm opponents, catch bullets or shrapnel and cross vast distances in seconds.
      • Superhuman Hearing: Kryptonians have incredible hearing at extreme variances of sound and pitch frequency, allowing them to pick up noises from across the globe. They have shown enough control to block out ambient sounds to focus on a specific source/frequency.
      • Super Smell: On various occasions, Kryptonians have demonstrated that their sense of smell is significantly enhanced to the point they can smell odors across the entire planet.
      • Self-Sustenance: They do not need to eat or sleep (but are still capable of doing so) and don't require oxygen to breathe, enabling them to travel in space and underwater unprotected.
      • Healing Factor: Kryptonians have been shown to have an accelerated "healing factor" enabling them to heal almost instantaneously from most wounds.
      • Super-Breath: Kryptonians can create hurricane force winds by blowing, and also chill their breath to freeze a target. They can also breathe in large amounts of air to dispel clouds of gas by exhaling it.
    • Heat Vision: Kryptonians can fire beams of intense heat from their eyes. These beams can be made invisible, allowing them to work undetected, and can be adjusted to affect matter on a microscopic level. Feats include powering up the giant ion planet moving engines, annihilating an army of Doomsday in one blast, potentially rivaling the heat of a Star and bypassing a target's outer shell, avoiding damage to a person's skull for surgical purposes.
      • Super Vision: Kryptonians also possess a superior sensory arrangement of visual capabilities.
        • Electro-Magnetic Spectrum Vision': They can see into all of the EM Spectrum. Kryptonians can see and identify radio/television and any and all broadcast/transmitted frequencies, allowing them to avoid detection through radar or satellite monitoring methods.
        • Telescopic Vision: The ability to focus their vision to see something at a great distance, without violating the laws of physics.
        • Microscopic Vision: The ability to see extremely small objects and images down to the sub atomic level.
        • X-Ray Vision: The ability to see through anything except lead. Since it is passive, this ability would not generate harmful radiation in the same manner as a focused projection of hard X-rays.



Average Strength level

Megaton to Multi-megaton range.


  • Vulnerability to Magic: Kryptonians' biomatrix is their most powerful asset, but the strength of this field is also its greatest weakness. Its permeability to certain wavelengths makes them vulnerable to certain radiations, particularly magical energies whose chaotic electromagnetic or extra dimensional signatures disrupt this force field. Kryptonians' vulnerability to magic varies depending upon the special effects of the magic. No magic seems to be able to directly destroy them unless it comes from a semi-divine or divine source. They can be injured and worn down by magical entities. Magic can have powerful and unpredictable effects on Kryptonian and their magical enemies have often proven to be the most dangerous.
  • Vulnerability to Chi: Lex Luthor and Question argued that, because of Kryptonians' solar based powers, planetary based esoteric and vital forces could have an opposite effect on them. Luthor posited that concentrated doses of such energies could severely cripple a Kryptonian and become fatal, and he attempted to exploit this weakness with the Science Spire, which tapped into the energies.
  • Vulnerability to Kryptonite: Since the destruction of Krypton, its remains (rendered radioactive by the explosion) have been spreading throughout the universe as Kryptonite, a crystalline substance whose specific radioactive wavelength is lethal to Kryptonians native to this reality. The most common form of Kryptonite is Green Kryptonite, and its effect is directly poisonous to them. Kryptonite from other realities does not necessarily have the same effects on all Kryptonians.
  • Lead: Kryptonians cannot see through lead with their vision powers.
  • Solar Energy Dependancy: Their abilities will eventually weaken without replenishing their energy reserves with normal (yellow) sun radiation. When exposed to the same red solar radiation as Krypton's red sun Rao, it causes Kryptonians to lose their powers within a large amount of exposure until exposure to yellow sunlight reverses this effect.
  • Psionics


Habitat: Krypton has been described as icy or crystalline.
Gravity: Usually much higher than on Earth.
Atmosphere: Breathable to Kryptonians
Population: Unknown


Type of Government: * Several councils, including the Kryptonian Science Council
Level of Technology: High
Representatives: * Superman

See also: Category:Kryptonians

See Also

Links and References

  • None.
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