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Muk(JP) is a species of Pokémon in the series of the same name. It is a Poison-type Pokémon that made its first appearance in the first generation games Red and Blue. It evolves from Grimer at level 38. In Alola, it gains a Dark typing.

Physiology and Behavior[]

Muk is a large, sticky, amorphous Pokémon made of living purple sludge. It has two small eyes with beady black pupils. It also has an enormous mouth with a gray tongue and strands of ooze connecting its top and bottom jaws. While it has no visible legs, it does have two arms with three fingers on each hand. However, it typically keeps one hand tucked in while it extends the other hand.

Muk is a living biohazard, leaking toxins that instantly kill all plant life it touches. Even it being in close proximity to plants will cause them to wilt and die. Extreme caution is advised in avoiding any contact with this Pokémon, as an accidental brush-up can lead to severe sickness. The effects of this Pokémon can leave the landscape barren for three years. It will readily consume nearly any waste or refuse generated by people and Pokémon alike. Muk's body produces a powerful odor that can cause fainting. However, despite the risk Muk's stench contains, some fans of Muk believe its stench is a good thing.

Muk can be found in heavily polluted bodies of water, factories and cities, where groups can gather to consume trash that people throw away into the streets. However, Muk's population has declined due to recent environmental improvements and extermination efforts. This has led some to believe that it will go extinct at some point; sludge ponds are being built to prevent its extinction.

Alolan Muk[]

Alolan Muk has a more vibrant coloration, consisting of green, pink, and yellow stripes with thin blue bands in between. The green, yellow, and pink stripes are capable of shifting downwards while the blue stays in place. It has various white, crystallized poison shards protruding from parts of its body, especially from its mouth and fingers, giving the impression of claws and fangs. It has blue eyes with a black space behind them and a bright blue tongue. Its vivid coloration is a result of the garbage it eats, which causes chemical changes in its body. Its body contains over a hundred different kinds of poisons. Chemical reactions of different poisons occurring within its body is the source of Alolan Muk's vitality.

Alolan Muk is unexpectedly quiet and friendly. However, if it is not fed trash for a while, its hunger will compel it to destroy its Trainer's furnishings for food. It is thought that it cannot maintain its energy without a constant source of toxins, which causes its voracious appetite. The crystals covering its body have a tendency to break off, which makes it extremely difficult to deal with due to the concentrated toxins contained within them. Unlike Kantonian Muk, Alolan Muk does not produce a foul stench due to its toxins being contained within its body. Alolan Muk preys on Trubbish and Garbodor.

Appearances[]

Main Pokémon games[]

Other Pokémon games[]

Muk also appears in Pokémon Snap. By throwing Pester Balls at a Grimer, it evolves into a Muk.

Super Smash Bros. series[]

Trophy descriptions[]

In the anime[]

Muk and Alolan Muk anime

Ash Ketchum's Muk and an Alolan Muk

In the Pokémon anime, Ash catches a Muk, only to have its smell go through the Poké Ball. Therefore, Ash sends it to Professor Oak, who wasn't too glad at first to receive Ash's Muk.

Since then, Ash's Muk usually appears only when Ash comes to visit or calls Professor Oak. It usually tackles and smothers people with affection (particularly Professor Oak and Ash). Its Alolan form made several appearances.

Origin and inspiration[]

In-game information[]

Pokédex entries[]

Title Entry
First Pokémon generation
Pokémon Red and Blue Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.
Pokémon Yellow Smells so awful, it can cause fainting. Through degeneration, it lost its sense of smell.
Pokémon Stadium Becomes indistinguishable if it hides in dirt. Touching its sludge-covered body causes horrible poisonings.
Second Pokémon generation
Pokémon Gold They love to gather in smelly areas where sludge accumulates, making the stench around them worse.
Pokémon Silver Its body is made of a powerful poison. Touching it accidentally will cause a fever that requires bed rest.
Pokémon Crystal As it moves, a very strong poison leaks from it, making the ground there barren for three years.
Third Pokémon generation
Pokémon Ruby From Muk's body seeps a foul fluid that gives off a nose-bendingly horrible stench. Just one drop of this Pokémon's body fluid can turn a pool stagnant and rancid.
Pokémon Sapphire This Pokémon's favorite food is anything that is repugnantly filthy. In dirty towns where people think nothing of throwing away litter on the streets, Muk are certain to gather.
Pokémon Emerald It prefers warm and humid habitats. In the summertime, the toxic substances in its body intensify, making Muk reek like putrid kitchen garbage.
Pokémon FireRed It is usually undetectable because it blends in with the ground. Touching it can cause terrible poisoning.
Pokémon LeafGreen Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.
Fourth Pokémon generation
Pokémon Diamond A toxic fluid seeps from its body. The fluid instantly kills plants and trees on contact.
Pokémon Pearl A toxic fluid seeps from its body. The fluid instantly kills plants and trees on contact.
Pokémon Platinum A toxic fluid seeps from its body. The fluid instantly kills plants and trees on contact.
Pokémon HeartGold They love to gather in smelly areas where sludge accumulates, making the stench around them worse.
Pokémon SoulSilver Its body is made of a powerful poison. Touching it accidentally will cause a fever that requires bed rest.
Fifth Pokémon generation
Pokémon Black A toxic fluid seeps from its body. The fluid instantly kills plants and trees on contact.
Pokémon White A toxic fluid seeps from its body. The fluid instantly kills plants and trees on contact.
Pokémon Black 2 It's so stinky! Muk's body contains toxic elements, and any plant will wilt when it passes by.
Pokémon White 2 It's so stinky! Muk's body contains toxic elements, and any plant will wilt when it passes by.
Sixth Pokémon generation
Pokémon X They love to gather in smelly areas where sludge accumulates, making the stench around them worse.
Pokémon Y A toxic fluid seeps from its body. The fluid instantly kills plants and trees on contact.
Pokémon Omega Ruby From Muk's body seeps a foul fluid that gives off a nose-bendingly horrible stench. Just one drop of this Pokémon's body fluid can turn a pool stagnant and rancid.
Pokémon Alpha Sapphire This Pokémon's favorite food is anything that is repugnantly filthy. In dirty towns where people think nothing of throwing away litter on the streets, Muk are certain to gather.
Seventh Pokémon generation
Pokémon Sun The stench it gives off will make your nose scrunch up. Still, there are Muk fans who think that's a good thing.
Pokémon Moon After recent environmental improvements, this Pokémon is now hardly seen at all. People speculate that it may go extinct at some point.
Pokémon Ultra Sun Their food sources have decreased, and their numbers have declined sharply. Sludge ponds are being built to prevent their extinction.
Pokémon Ultra Moon Because they scatter germs everywhere, they've long been targeted for extermination, leading to a steep decline in their population.
Pokémon Let's Go
Pikachu
Smells so awful, it can cause fainting. Through degeneration of its nose, it lost its sense of smell.
Pokémon Let's Go
Eevee
Smells so awful, it can cause fainting. Through degeneration of its nose, it lost its sense of smell.
Eighth Pokémon generation
Pokémon Brilliant Diamond A toxic fluid seeps from its body. The fluid kills plants and trees immediately upon contact.
Pokémon Shining Pearl A toxic fluid seeps from its body. The fluid kills plants and trees immediately upon contact.
Ninth Pokémon generation
Pokémon Scarlet It’s thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.
Pokémon Violet It's so stinky! Muk's body contains toxic elements, and any plant will wilt when it passes by.


Alolan[]

Title Entry
Seventh Pokémon generation
Pokémon Sun The garbage it eats causes continuous chemical changes in its body, which produce its exceedingly vivid coloration.
Pokémon Moon While it's unexpectedly quiet and friendly, if it's not fed any trash for a while, it will smash its Trainer's furnishings and eat up the fragments.
Pokémon Ultra Sun There are over a hundred kinds of poison inside its body. Chemical reactions between different poisons are the source of its vitality.
Pokémon Ultra Moon What look like fangs and claws are actually crystallized poison that will afflict you at a mere touch, so don't get too close.
Pokémon Let's Go
Pikachu
Muk's coloration becomes increasingly vivid the more it feasts on its favorite dish–trash.
Pokémon Let's Go
Eevee
Muk's coloration becomes increasingly vivid the more it feasts on its favorite dish–trash.
Ninth Pokémon generation
Pokémon Scarlet There are over a hundred kinds of poison inside its body. Chemical reactions between different poisons are the source of its vitality.
Pokémon Violet What look like fangs and claws are actually crystallized poison that will afflict you at a mere touch, so don’t get too close.


Game locations[]

Title Location(s)
First Pokémon generation
Pokémon Red and Blue
Pokémon Mansion
Pokémon Yellow
Pokémon Mansion, Power Plant
Trade Kangaskhan on Cinnabar Island
Second Pokémon generation
Pokémon Gold
Routes 16, 17, and 18
Celadon City (Surfing)
Pokémon Silver
Routes 16, 17, and 18
Celadon City (Surfing)
Pokémon Crystal
Routes 16, 17, and 18
Celadon City (Surfing)
Third Pokémon generation
Pokémon Ruby
Evolve Grimer
Pokémon Sapphire
Evolve Grimer
Pokémon Emerald
Evolve Grimer
Pokémon FireRed
Evolve Grimer
Pokémon LeafGreen
Pokémon Mansion
Fourth Pokémon generation
Pokémon Diamond
Evolve Grimer
Pokémon Pearl
Evolve Grimer
Pokémon Platinum
Evolve Grimer
Pokémon HeartGold
Routes 16, 17, and 18, Safari Zone
Celadon City, Safari Zone (Surfing)
Pokémon SoulSilver
Routes 16, 17, and 18, Safari Zone
Celadon City, Safari Zone (Surfing)
Fifth Pokémon generation
Pokémon Black
Trade
Pokémon Black 2
Castelia Sewers (surfing/ fishing Spr/Sum) Route 9
Route 9 (Hidden Grotto)
Pokémon White 2
Castelia Sewers (surfing/ fishing Spr/Sum) Route 9
Route 9 (Hidden Grotto)
Sixth Pokémon generation
Pokémon X
Friend Safari (Poison)
Pokémon Y
Friend Safari (Poison)
Pokémon Omega Ruby
Evolve Grimer
Pokémon Alpha Sapphire
Evolve Grimer
Seventh Pokémon generation
Pokémon Sun
Evolve Grimer
Pokémon Moon
Evolve Grimer
Pokémon Ultra Sun
Evolve Grimer
Pokémon Ultra Moon
Evolve Grimer
Pokémon Let's Go
Pikachu
Pokémon Mansion, Power Plant (Kantonian Form)
Evolve Alolan Grimer
Eighth Pokémon generation
Pokémon Brilliant Diamond
Evolve Grimer
Pokémon Shining Pearl
Evolve Grimer
Ninth Pokémon generation
Pokémon Scarlet
Tera Raid Battles (4★) (Kanto)
Coastal Biome, Torchlit Labyrinth (Alolan)
Pokémon Violet
Tera Raid Battles (4★) (Kanto)
Coastal Biome, Torchlit Labyrinth (Alolan)

Evolution[]

Grimer
Reach level 38.
Muk
PKMNSV088 PKMNSV089
Alolan
Grimer
Reach level 38.
Alolan Muk
PKMNSV088-A PKMNSV089-A

Base Stats[]

Base Stats
HP 105
Attack 105
Defense 75
Sp. Attack 65
Sp. Defense 100
Speed 50
Total 500

Moveset[]

Main article: Muk/moveset

Gallery[]

Sprites[]

Sprites
Red Green
PKMNRG089
Red Blue
PKMNRB089
Yellow
PKMNY089
Gold
PKMNG089


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Silver
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Crystal
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Ruby Sapphire
PKMNRS089


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Emerald
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File:PKMNE089.gif


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Fire Leaf
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Diamond Pearl
PKMNDP089


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Platinum
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File:PKMNP089.png


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Heart Soul
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Black White
PKMNBW089


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Black 2 White 2
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X Y
PKMNXY089


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Pikachu Eevee
PKMNLGPE089


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Brilliant Diamond Shining Pearl
PKMNBDSP089


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Scarlet Violet
PKMNSV089


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Renders
Sun Moon
PKMNSM089-A


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Pikachu Eevee
PKMNLGPE089-A


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Scarlet Violet
PKMNSV089-A


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Trivia[]

  • Muk is tied with Mew for the shortest English name of all Pokémon.
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