When you're an invincible humanoid alien god who's more powerful than any comic book superhero, not much can bring you down back to Earth. Superman is by far the quintessential American superhero. His strength, speed, and sense of justice can often be unmatched. However, that also means he can get pretty boring; so to spice things up, his writers gave him two notable weaknesses. One is an emo filthy rich playboy who dresses up as a bat, and the other is a highly convenient rock.

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We're here to talk about the rock. Not Dwayne Johnson, but Kryptonite. We're often used to seeing Kryptonite in its common glowing green form. However, the rock native from Superman's home planet of Krypton comes in many variants and surprises. As such, they have many different effects on the omnipotent Kryptonian. There are more than a dozen of them, but these are the 10 which Kal-El needs to watch out for the most.

10 10. PERIWINKLE KRYPTONITE

Since Superman is pretty much immune to all Earthly toxins or chemicals, that also includes alcohol. Come to think of it, that's quite sad for the lonely Clark Kent- he can't have a happy hour after a hard Friday at the Daily Planet. What he can have is a Periwinkle Kryptonite, which sounds like a fancy nerdy alcoholic cocktail... and that's because it is for Superman.

The Periwinkle Kryptonite is colored purple. It can also turn Superman's skin purple and turn the prude boy scout into a party animal. The purple rock removes his inhibitions (like alcohol). Once exposed, all he wants to do is get on the dance floor, usually with Lois Lane. Its effects don't last long and Clark Kent usually flushes with embarrassment afterward.

9 9. SILVER KRYPTONITE

Silver Kryptonite from Smallville

Not all Kryptonite are dangerous to Superman. In fact, some of them appear to be pseudo-drugs to him since he's sort of immune to Earth's conventional chemicals and herbs. The Silver Kryptonite, for that matter, is the equivalent of mushrooms or other hallucinatory drugs to the Man of Steel.

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If exposed to the Silver Kryptonite, Kal-El will hallucinate in a trippy manner. Its effects on Kryptonians don't appear right away and take around 30 minutes to kick in (sounds awfully familiar). It doesn't affect a Kryptonian's power though since Superman was still able to use everything at his disposal while tripping (as seen in Smallville).

8 8. ORANGE KRYPTONITE

The Orange Kryptonite has no significant effect on humanoid Kryptonians or even Homo Sapiens on Earth. Its dominion is with animal life. That could also be any other species that doesn't appear to be an intelligent life form and still function by instincts. As such, the Orange Kryptonite gives superpowers to animals.

A disclaimer is in order, though; the Orange Kryptonite only exists in Krypto the Superdog's universe. Still, it caused quite a bit of trouble in Krypto's world; plenty of animals left and right started getting Kryptonian superpowers. The problem was, some of them were cats! Imagine the repercussions if those already evil beings became omnipotent. The internet would go crazy! Oh, they'll also enslave us all.

7 7. X-KRYPTONITE

Legion-of-Super-Heroes-Streaky

The X-Kryptonite was pretty much an Orange Kryptonite which blesses non-Kryptonians, instead of just animals. Of course, humans are included in the list of beneficiaries of the X-Kryptonite. It gives any non-Kryptonian superpowers that equivalent of a Kryptonian being exposed to a yellow sun or hotter/brighter.

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X-Kryptonite was accidentally created by Supergirl (Kara Zor-El). The first lucky being it endowed with Kryptonian-like powers is a cat named Streaky... Streaky the Supercat, because cats totally don't plan on taking over the entire world. Anyway, there's no doubt of the dangers of such a powerful rock. We Homo Sapiens have a tendency for violence and everyone having the same power as Superman does is a huge trouble for the universe.

6 6. WHITE KRYPTONITE

White Kryptonite would be the bane of all planets that can support life. It doesn't do anything against Kryptonians, humans, or even fauna. The primary target of White Kryptonite is the flora; all plant life, basically, sometimes microorganisms. Hence, White Kryptonite can easily kill or wither any plant-life within its radius of influence, which is around 25 yards give or take. That can be devastating for an ecosystem.

For one, we depend too much on plant life and all members of the animal kingdom would not exist without it. In numerous amounts, it can cause mass extinction given how everything in nature is connected. The weird White Kryptonite first appeared in the Silver Age of comic books in 1961.

5 5. ANTI-KRYPTONITE

The Anti-Kryptonite has no effect whatsoever on Kryptonians but for every other race, it's deadly. That's because the Anti-Kryptonite is fatal to any non-superpowered Kryptonian, which includes human beings among other aliens. Essentially, the Anti-Kryptonite is similar to an exposed uranium core which kills anyone within a set amount of radius.

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In all regard, the Anti-Kryptonite is a weapon of mass destruction for human beings... though we're probably all used to those at this point. Nevertheless, it has massacred a whole city- Argo City, to be exact, where all the inhabitants were killed off due to an Anti-Kryptonite shower. If it's powerful enough to destroy what Superman loves (humans), then it's dangerous enough for him.

4 4. BLACK KRYPTONITE

True to its color, Black Kryptonite represents pure primordial evil. It can be made by heating Green Kryptonite into extreme temperatures and once it's been cooked up, it will turn any Kryptonian exposed to it into a murderous and visceral being. To be more specific, it actually splits a Kryptonian into two: a good version and an evil version.

Both Superman and Supergirl have been exposed to it many times and were forced to fight their evil twin. One of the most memorable usages of Black Kryptonite was at the hands of the Batman Who Laughs (a Joker and Batman amalgam) who used the Black Kryptonite against Superman, making the evil version kill the original Superman's family. Dangerous as it is, the evil versions can still be stopped with one of the most common Kryptonite there is...

3 3. GREEN KRYPTONITE

There it is. Green Kryptonite is the most abundant and classic form of the Kryptonian rock. The crystal itself is actually colored blue, but the yellow light it emits from the center turns the whole thing green. It emits radiation that can render any Kryptonian weak, nauseous, and robbed of their superpowers even under a brighter sun than red. Prolonged exposure is fatal to Kryptonians.

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The radiation, however, can be blocked with lead. Even so, the Green Kryptonite is one of the most prevalent dangers to Superman and it's his most well-known weakness- even Batman carries a shard of Green Kryptonite in his utility belt in case of emergency. It's not the be-all, end-all weakness for Supes, though; there are actually more dangerous variants of the Green Kryptonite...

2 2. RED KRYPTONITE

The Red Kryptonite is quite a wild card as Kryptonite effects go. In each iteration or portrayal of the rock in different media forms involving Superman, it has various results. No two portions of Red Kryptonite has the same effect. In Smallville, it merely removed Clark Kent's inhibitions; in Superman III it separated him from Clark Kent; while in some comic book arcs, it weakened Superman more so than the Green Kryptonite and it was even used to inflict immense pain to him, essentially a torture device.

Other effects of being exposed to Red Kryptonite include loss of power, lunacy, excessive hair growth, becoming color-blind, rapid aging, growing extra limbs, and... getting turned into a dragon- no approved therapeutical claims! It's a roulette of pranks and makes the Green Kryptonite look tame or preferable in comparison.

1 1. GOLD KRYPTONITE

Superman comic book excerpt

Sometimes comic book writers tend to create plot devices powerful enough to break the whole intellectual property. The Gold Kryptonite is such an example of that; it's not just Superman's weakness but also the comic books franchise's. After exposure, the golden Kryptonian rock removes Superman's powers... permanently (or irreversibly, even). So, DC swept the Gold Kryptonite under a rug and didn't use it much.

After all, the consequences of using Gold Kryptonite are simply too severe. It practically takes out the "super" in Superman, and then you're only left with a vulnerably awkward 6'4" journalist with a bodybuilder physique trying to be a vigilante... which isn't too bad, maybe they should use Gold Kryptonite more often, Bruce Wayne could lend him some stuff so he can adjust with his new life. That could be interesting.

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