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| Kryptonite | |
|---|---|
.jpg) Green kryptonite as seen in Superman: Secret Origin #1 | |
| Publication information | |
| Publisher | DC Comics |
| First appearance |
|
| In story information | |
| Type | Element/compound |
| Element of stories featuring | |
Kryptonite is a fictional material that appears primarily in Superman stories published by DC Comics. In its best-known form, it is a green, crystalline material originating from Superman's home world of Krypton that emits a unique, poisonous radiation that can weaken and even kill Kryptonians. Kryptonite radiation can be transmitted through any element except lead. There are other varieties of kryptonite, such as red and gold kryptonite, which have different but still generally negative effects.
Other characters are often presented as using kryptonite against Superman,[1] with Lex Luthor incorporating it into weapons, Metallo being powered by it, and Titano being able to project rays of kryptonite radiation from his eyes after being altered by simultaneous exposure to kryptonite and uranium. Batman carries the substance as a last-ditch method to stop his ally (often at Superman's urging to take such precautions) if he is subject to mind control or otherwise compromised. Due to Superman's popularity, kryptonite has become a byword for an extraordinary exploitable weakness, synonymous with "Achilles' heel".
- ^ Horton, Andrew; McDougal, Stuart Y.; Braudy, Leo (1998). Play it Again, Sam: Retakes on Remakes. Berkeley, California: University of California Press. p. 287. ISBN 0520205936.