Inhabitants of the planet Krypton appear to resemble humans, but their biology is much more complex. The cellular structure of Kryptonians allows for solar energy to be absorbed at extremely high levels when exposed to a yellow star like Earth's Sun, giving them vast superhuman powers (such as flight, super strength, x-ray vision, super speed, invulnerability, heat vision and super hearing) when on planets such as Earth, or in space near a yellow star.

The characters listed in this page are either of Kryptonian origin, or have Kryptonian genes.

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