Grimer: Stats, Moves, Weakness & Evolution

Base stats

HP80155–187270–364

Atk8090–145148–284

Def5063–11294–218

SpA4054–10176–196

SpD5063–11294–218

Spe2540–8449–163

Total325Higher than 25% of Pokémon

Ranges in Pokémon Champions at Lv 50: 0 Stat Points with a −10% Stat Alignment to 32 Stat Points with a +10% one (HP has no alignment).Ranges in the main games at Lv 100: 0 IV/EV with a hindering nature to 31 IV/252 EV with a helpful nature. EV yield: 1 HP.

Stat calculatorChampions Stat Points & Stat Alignment, or EVs, IVs & nature

Calculate damage →

Type matchups

Colors show what this Pokémon takes

Weak to

2×

GroundPsychic

Resists

½×

BugFairyFightingGrassPoison

Takes normal damage from 11 types

NormalFlyingRockGhostSteelFireWaterElectricIceDragonDark

Speed tiers

The faster Pokémon moves first each turn, so knowing who you outspeed decides a lot of battles. These are its Speed values at Lv 50 in Pokémon Champions (base Speed 25); Choice Scarf and Tailwind use the Max+ value.

Max+84Max77No SP45Min40

Scarf126Tailwind168

At max Speed, Grimer outspeeds 4 of the 30 most used Pokémon in Champions VGC on Showdown.

Speed at Lv 50 in Pokémon Champions: Grimer against the 30 most used Pokémon in Champions VGC on Showdown, fastest first
Speed		Pokémon
203		Mega Garchomp ZModest · 32 SP · #21 on Showdown
200		Mega GengarTimid · 32 SP · #26 on Showdown
190		Mega Raichu YTimid · 23 SP · #13 on Showdown
189		Mega SalamenceTimid · 32 SP · #4 on Showdown
184		WhimsicottTimid · 32 SP · #23 on Showdown
178		Mega MetagrossJolly · 32 SP · #28 on Showdown
178		Mega StaraptorJolly · 32 SP · #29 on Showdown
172		SneaslerAdamant · 32 SP · #2 on Showdown
169		Mega FloetteTimid · 32 SP · #17 on Showdown
169		GarchompJolly · 32 SP · #19 on Showdown
167		Mega Charizard YTimid · 32 SP · #14 on Showdown
167		Mega GardevoirTimid · 32 SP · #20 on Showdown
161		IndeedeeTimid · 32 SP · #30 on Showdown
156		Hisuian ArcanineJolly · 32 SP · #16 on Showdown
150		ArchaludonTimid · 32 SP · #9 on Showdown
149		GholdengoTimid · 32 SP · #8 on Showdown
143		BasculegionJolly · 32 SP · #6 on Showdown
128		PelipperTimid · 32 SP · #12 on Showdown
120		VolcaronaBold · 0 SP · #25 on Showdown
105		RillaboomAdamant · 0 SP · #1 on Showdown
101		MiloticCalm · 0 SP · #15 on Showdown
95		SylveonModest · 15 SP · #18 on Showdown
94		Female IndeedeeRelaxed · 0 SP · #7 on Showdown
90		PolitoedCalm · 0 SP · #22 on Showdown
90		SinistchaBold · 0 SP · #24 on Showdown
85		ArmarougeQuiet · 0 SP · #27 on Showdown
84		Grimer · Max+32 SP, Speed-raising alignment
80		IncineroarCareful · 0 SP · #3 on Showdown
80		FarigirafBold · 0 SP · #11 on Showdown
77		Grimer · Max32 SP, neutral alignment
70		KingambitAdamant · 0 SP · #5 on Showdown
60		Mega GolisopodAdamant · 0 SP · #10 on Showdown
45		Grimer · No SP0 SP, neutral alignment

Smogon · Showdown Others at their most common Speed investment in Champions VGC (Reg M-C · Doubles, Sep 2026); Pokémon holding a Mega Stone are shown as their Mega.

Abilities

Stench
This Pokémon's attacks without a chance to flinch gain a 10% chance to flinch.
Other Pokémon with Stench 8
Gloom Muk Koffing Weezing Stunky Skuntank Trubbish Garbodor
Sticky Hold
This Pokémon cannot lose its held item due to another Pokémon's Ability or attack.
Other Pokémon with Sticky Hold 9
Muk Gulpin Swalot Shellos Gastrodon Trubbish Accelgor Dipplin Hydrapple
Poison Touch, hidden ability
This Pokémon's contact moves have a 30% chance of poisoning.
Poison Touch gives 14 contact moves it learns a 30% chance to poison in Scarlet & Violet.
Body Slam Dig Drain Punch Facade Fire Punch Ice Punch Poison Jab Pound
6 more
Shadow Punch Shadow Sneak Take Down Thief Thunder Punch Zen Headbutt
Other Pokémon with Poison Touch 8
Muk Croagunk Toxicroak Seismitoad Skrelp Dragalge Sneasler Grafaiai

Competitive

Smogon · Showdown On Showdown

Sep 2026

Other Showdown formats Scarlet & Violet, with Tera

SV SinglesLC

0.2% of teams · rank #85 · Singles, first stages at Lv 5 · 1630 weighting · 7,479 battles · Sep 2026

Most common build

Item: Eviolite
Ability: Sticky Hold
Nature: Adamant
EVs: 116 Atk / 196 Def / 196 SpD
Tera Type: Bug

Each part is the most used on its own, so not every team runs this exact set.

Usage by rating

All games0.3%
1500 weighting0.2%
1630 weighting0.2%
1760 weighting<0.1%

Usage by month

Oct 20250.2%

Moves

Items

Abilities

EV spreads

Adamant 116 Atk / 196 Def / 196 SpD92.0%
Adamant 36 HP / 196 Atk / 36 Def / 196 SpD3.6%
Adamant 196 HP / 196 Atk / 116 Def3.1%
Impish 116 HP / 116 Def / 196 SpD / 76 Spe1.1%
Adamant 196 HP / 196 Atk / 116 SpD0.1%

Tera types

Bug92.0%
Poison7.9%
Flying0.1%
Ghost0%

Common teammates

Trapinch95.1%
Gulpin92.0%
Doduo92.0%
Shellos92.0%
Elekid92.0%
Magnemite7.8%
Hatenna3.6%
Larvesta3.6%

Evolution

#0088GrimerPoison
1. Level 38
  #0089MukPoison

Moves

Level up 16


1	Poison GasPoisons the foe(s).	Poison	Status	—	90%	40
1	PoundNo additional effect.	Normal	Physical	40	100%	35
4	HardenRaises the user's Defense by 1.	Normal	Status	—	—	30
7	Mud-Slap100% chance to lower the target's accuracy by 1.	Ground	Special	20	100%	10
12	DisableFor 4 turns, disables the target's last move used.	Normal	Status	—	100%	20
15	Sludge30% chance to poison the target.	Poison	Special	65	100%	20
18	Mud Shot100% chance to lower the target's Speed by 1.	Ground	Special	55	95%	15
21	MinimizeRaises the user's evasiveness by 2.	Normal	Status	—	—	10
26	ToxicBadly poisons the target. Poison types can't miss.	Poison	Status	—	90%	10
29	Sludge Bomb30% chance to poison the target.	Poison	Special	90	100%	10
32	Sludge Wave10% chance to poison adjacent Pokémon.	Poison	Special	95	100%	10
37	ScreechLowers the target's Defense by 2.	Normal	Status	—	85%	40
40	Gunk Shot30% chance to poison the target.	Poison	Physical	120	80%	5
43	Acid ArmorRaises the user's Defense by 2.	Poison	Status	—	—	20
46	BelchCannot be selected until the user eats a Berry.	Poison	Special	120	90%	10
48	MementoLowers target's Attack, Sp. Atk by 2. User faints.	Dark	Status	—	100%	10

TM / HM / TR 47


TM01	Take DownHas 1/4 recoil.	Normal	Physical	90	85%	20
TM05	Mud-Slap100% chance to lower the target's accuracy by 1.	Ground	Special	20	100%	10
TM06	Scary FaceLowers the target's Speed by 2.	Normal	Status	—	100%	10
TM07	ProtectPrevents moves from affecting the user this turn.	Normal	Status	—	—	10
TM13	Acid Spray100% chance to lower the target's Sp. Def by 2.	Poison	Special	40	100%	20
TM17	Confuse RayConfuses the target.	Ghost	Status	—	100%	10
TM18	ThiefIf the user has no item, it steals the target's.	Dark	Physical	60	100%	25
TM25	FacadePower doubles if user is burn/poison/paralyzed.	Normal	Physical	70	100%	20
TM29	HexPower doubles if the target has a status ailment.	Ghost	Special	65	100%	10
TM35	Mud Shot100% chance to lower the target's Speed by 1.	Ground	Special	55	95%	15
TM36	Rock Tomb100% chance to lower the target's Speed by 1.	Rock	Physical	60	95%	15
TM43	FlingFlings the user's item at the target. Power varies.	Dark	Physical	—	100%	10
TM45	VenoshockPower doubles if the target is poisoned.	Poison	Special	65	100%	10
TM47	EndureUser survives attacks this turn with at least 1 HP.	Normal	Status	—	—	10
TM49	Sunny DayFor 5 turns, intense sunlight powers Fire moves.	Fire	Status	—	—	5
TM50	Rain DanceFor 5 turns, heavy rain powers Water moves.	Water	Status	—	—	5
TM51	SandstormFor 5 turns, a sandstorm rages. Rock: 1.5× SpD.	Rock	Status	—	—	10
TM55	DigDigs underground turn 1, strikes turn 2.	Ground	Physical	80	100%	10
TM59	Zen Headbutt20% chance to make the target flinch.	Psychic	Physical	80	90%	15
TM66	Body Slam30% chance to paralyze the target.	Normal	Physical	85	100%	15
TM67	Fire Punch10% chance to burn the target.	Fire	Physical	75	100%	15
TM68	Thunder Punch10% chance to paralyze the target.	Electric	Physical	75	100%	15
TM69	Ice Punch10% chance to freeze the target.	Ice	Physical	75	100%	15
TM70	Sleep TalkUser must be asleep. Uses another known move.	Normal	Status	—	—	10
TM73	Drain PunchUser recovers 50% of the damage dealt.	Fighting	Physical	75	100%	10
TM80	MetronomePicks a random move.	Normal	Status	—	—	10
TM83	Poison Jab30% chance to poison the target.	Poison	Physical	80	100%	20
TM85	RestUser sleeps 2 turns and restores HP and status.	Psychic	Status	—	—	5
TM86	Rock Slide30% chance to make the foe(s) flinch.	Rock	Physical	75	90%	10
TM87	TauntTarget can't use status moves its next 3 turns.	Dark	Status	—	100%	20
TM92	ImprisonNo foe can use any move known by the user.	Psychic	Status	—	—	10
TM102	Gunk Shot30% chance to poison the target.	Poison	Physical	120	80%	5
TM103	SubstituteUser takes 1/4 its max HP to put in a substitute.	Normal	Status	—	—	10
TM111	Giga DrainUser recovers 50% of the damage dealt.	Grass	Special	75	100%	10
TM114	Shadow Ball20% chance to lower the target's Sp. Def by 1.	Ghost	Special	80	100%	15
TM125	Flamethrower10% chance to burn the target.	Fire	Special	90	100%	15
TM126	Thunderbolt10% chance to paralyze the target.	Electric	Special	90	100%	15
TM130	Helping HandOne adjacent ally's move power is 1.5× this turn.	Normal	Status	—	—	20
TM141	Fire Blast10% chance to burn the target.	Fire	Special	110	85%	5
TM148	Sludge Bomb30% chance to poison the target.	Poison	Special	90	100%	10
TM166	Thunder30% chance to paralyze. Can't miss in rain.	Electric	Special	110	70%	10
TM171	Tera BlastIf Terastallized: Phys. if Atk > SpA, type = Tera.	Normal	Special	80	100%	10
TM174	HazeEliminates all stat changes.	Ice	Status	—	—	30
TM175	ToxicBadly poisons the target. Poison types can't miss.	Poison	Status	—	90%	10
TM202	Pain SplitShares HP of user and target equally.	Normal	Status	—	—	20
TM214	Sludge Wave10% chance to poison adjacent Pokémon.	Poison	Special	95	100%	10
TM224	CurseCurses if Ghost, else -1 Spe, +1 Atk, +1 Def.	Ghost	Status	—	—	10

Egg moves 9


Egg	Acid Spray100% chance to lower the target's Sp. Def by 2.	Poison	Special	40	100%	20
Egg	CurseCurses if Ghost, else -1 Spe, +1 Atk, +1 Def.	Ghost	Status	—	—	10
Egg	HazeEliminates all stat changes.	Ice	Status	—	—	30
Egg	Mean LookPrevents the target from switching out.	Normal	Status	—	—	5
Egg	Shadow PunchThis move does not check accuracy.	Ghost	Physical	60	—	20
Egg	Shadow SneakUsually goes first.	Ghost	Physical	40	100%	30
Egg	Spit UpMore power with more uses of Stockpile.	Normal	Special	—	100%	10
Egg	StockpileRaises user's Defense, Sp. Def by 1. Max 3 uses.	Normal	Status	—	—	20
Egg	SwallowHeals the user based on uses of Stockpile.	Normal	Status	—	—	10

Biology

Being mostly composed of poisonous filth, Grimer can squeeze into sewage pipes with ease. It lived mostly in urban cities, factories, and lakes, where it could find waste to consume, though environmental improvements have caused its population to start dwindling.

Adapted from Wikipedia: List of generation VII Pokémon · CC BY-SA 4.0 · edited.

Polls & views

Official vote, Japan#598 of 720 in the 2016 Pokémon General Election 720 (Japan), tiedOfficial results, via Cinematoday

Each line is one source, as it published it. Polls counted every form under its species.

Pokédex entries

Category: Sludge Pokémon
Debut: Kanto · Red & Green (JP)
Color: Purple
Shape
Habitat: Urban
Pal Park area: Field

Kanto#088Original Johto#116Original Hoenn#106Updated Johto#117Updated Unova#064New Hoenn#111Original Alola#050Original Melemele#050Original Ula’ula#028Updated Alola#057Updated Melemele#057Updated Ula’ula#028Let’s Go Kanto#088Paldea#194Blueberry#068

Made of congealed sludge. It smells too putrid to touch. Even weeds won’t grow in its path.
Let’s Go, Pikachu! · Let’s Go, Eevee!
The wastewater coming from factories is clean these days, so Grimer have nothing to eat. They’re said to be on the verge of extinction.
Ultra Moon
It was born from sludge on the ocean floor. In a sterile environment, the germs within its body can’t multiply, and it dies.
Ultra Sun
It was born from sludge transformed by exposure to X-rays from the moon. When its internal load of germs decreases, it dies.
Moon
Its main source of food is the slimy industrial waste of factories. This Pokémon’s numbers have been decreasing in recent years.
Sun
Sludge exposed to X-rays from the moon transformed into Grimer. It loves feeding on filthy things.
X
Born from sludge, these Pokémon now gather in polluted places and increase the bacteria in their bodies.
Black 2 · White 2
As it moves, it loses bits of its body, from which new GRIMER emerge. This worsens the stench around it.
HeartGold
It was born when sludge in a dirty stream was exposed to the moon’s X-rays. It appears among filth.
Diamond · Pearl · Platinum · Black · White
Appears in filthy areas. It thrives by sucking up polluted sludge that is pumped out of factories.
LeafGreen · Y
Sludge exposed to X rays from the moon transformed into GRIMER. It loves feeding on filthy things.
FireRed
Born from polluted sludge in the sea, GRIMER’s favorite food is anything filthy. They feed on wastewater pumped out from factories.
Emerald
Grimer emerged from the sludge that settled on a polluted seabed. This Pokémon loves anything filthy. It constantly leaks a horribly germ-infested fluid from all over its body.
Sapphire · Alpha Sapphire
Grimer’s sludgy and rubbery body can be forced through any opening, however small it may be. This Pokémon enters sewer pipes to drink filthy wastewater.
Ruby · Omega Ruby
When two of these Pokémon's bodies are combined together, new poisons are created.
Crystal
Wherever GRIMER has passed, so many germs are left behind that no plants will ever grow again.
Silver · SoulSilver
As it moves, it loses bits of its body from which new GRIMER emerge. This worsens the stench around it.
Gold
Made of hardened sludge. It smells too putrid to touch. Even weeds won't grow in its path.
Yellow
Appears in filthy areas. Thrives by sucking up polluted sludge that is pumped out of factories.
Red · Blue

Names around the world

English: Grimer
Japanese: ベトベター
Japanese (romaji): Betbeter
Korean: 질퍽이
Chinese (Traditional): 臭泥
Chinese (Simplified): 臭泥
French: Tadmorv
German: Sleima
Spanish: Grimer
Italian: Grimer

Sprites

Artwork and 3D models

Gen IX · Gen VIII · Gen VII · Gen VI · Gen V

Generation IV

Generation III

Generation II

Generation I

Training

EV yield: 1 HP
Catch rate: 190 ≈24.8% with a Poké Ball at full HP
Base friendship: 70
Base experience: 65
Growth rate: Medium

Breeding

Egg groups: Amorphous
Gender: ♂ 50%♀ 50%
Hatch time: 20 egg cycles ≈5,355 steps (Gen IV–VII)

Where to find

Let’s Go, Pikachu! 5 areas

Pokemon Mansion (1F)Walking in the overworld · Lv 39–44
Pokemon Mansion (2F)Walking in the overworld · Lv 39–44
Pokemon Mansion (3F)Walking in the overworld · Lv 39–44
Pokemon Mansion (B1F)Walking in the overworld · Lv 39–44
Power PlantWalking in the overworld · Lv 37–42

Alpha Sapphire 1 area

Fiery PathEncountering 5 Pokemon within grass, flowers, or within a cave · Lv 8

White 2 2 areas

Castelia SewersFishing in dark spots, Fishing with a Super Rod, Surfing, Surfing in dark spots, Walking in tall grass or a cave · Lv 5–70
Castelia Sewers (unknown area 38)Fishing in dark spots, Fishing with a Super Rod, Surfing, Surfing in dark spots, Walking in tall grass or a cave · Lv 5–70

Black 2 2 areas

Castelia SewersFishing in dark spots, Fishing with a Super Rod, Surfing, Surfing in dark spots, Walking in tall grass or a cave · Lv 5–70
Castelia Sewers (unknown area 38)Fishing in dark spots, Fishing with a Super Rod, Surfing, Surfing in dark spots, Walking in tall grass or a cave · Lv 5–70

SoulSilver 5 areas

Celadon CitySurfing · Lv 15–20
Road 16Walking in tall grass or a cave · Lv 26–28
Road 17Walking in tall grass or a cave · Lv 27–29
Road 18Walking in tall grass or a cave · Lv 26–28
Safari Zone MarshlandSurfing, Walking in tall grass or a cave · Lv 15–17

HeartGold 5 areas

Celadon CitySurfing · Lv 15–20
Road 16Walking in tall grass or a cave · Lv 26–28
Road 17Walking in tall grass or a cave · Lv 27–29
Road 18Walking in tall grass or a cave · Lv 26–28
Safari Zone MarshlandSurfing, Walking in tall grass or a cave · Lv 15–17

Platinum 1 area

Road 212 (east, towards Pastoria City)Walking in tall grass or a cave · Lv 23–26

Pearl 1 area

Road 212 (east, towards Pastoria City)Walking in tall grass or a cave · Lv 18–20

Diamond 1 area

Road 212 (east, towards Pastoria City)Walking in tall grass or a cave · Lv 18–20

LeafGreen 5 areas

Celadon CityFishing with a Super Rod · Lv 30–40
Pokemon Mansion (1F)Walking in tall grass or a cave · Lv 28–30
Pokemon Mansion (2F)Walking in tall grass or a cave · Lv 28–30
Pokemon Mansion (3F)Walking in tall grass or a cave · Lv 28–30
Pokemon Mansion (B1F)Walking in tall grass or a cave · Lv 28–30

FireRed 5 areas

Celadon CityFishing with a Super Rod · Lv 30–40
Pokemon Mansion (1F)Walking in tall grass or a cave · Lv 28
Pokemon Mansion (2F)Walking in tall grass or a cave · Lv 28
Pokemon Mansion (3F)Walking in tall grass or a cave · Lv 28
Pokemon Mansion (B1F)Walking in tall grass or a cave · Lv 28

XD 1 area

Phenac City StadiumSnagging a Pokemon from a trainer in Pokemon Colosseum or Pokemon XD: Gale of Darkness. · Lv 23

Emerald 1 area

Fiery PathWalking in tall grass or a cave · Lv 14

Sapphire 1 area

Fiery PathWalking in tall grass or a cave · Lv 15–16

Ruby 1 area

Fiery PathWalking in tall grass or a cave · Lv 14

Crystal 4 areas

Celadon CitySurfing · Lv 15–24
Road 16Walking in tall grass or a cave · Lv 26–28
Road 17Walking in tall grass or a cave · Lv 29–33
Road 18Walking in tall grass or a cave · Lv 26–29

Silver 4 areas

Celadon CitySurfing · Lv 15–24
Road 16Walking in tall grass or a cave · Lv 26–28
Road 17Walking in tall grass or a cave · Lv 27–29
Road 18Walking in tall grass or a cave · Lv 26–28

Gold 4 areas

Celadon CitySurfing · Lv 15–24
Road 16Walking in tall grass or a cave · Lv 26–28
Road 17Walking in tall grass or a cave · Lv 27–29
Road 18Walking in tall grass or a cave · Lv 26–28

Yellow 5 areas

Pokemon Mansion (1F)Walking in tall grass or a cave · Lv 23–26
Pokemon Mansion (2F)Walking in tall grass or a cave · Lv 26–35
Pokemon Mansion (3F)Walking in tall grass or a cave · Lv 32–38
Pokemon Mansion (B1F)Walking in tall grass or a cave · Lv 35–38
Power PlantWalking in tall grass or a cave · Lv 33–37

Blue 4 areas

Pokemon Mansion (1F)Walking in tall grass or a cave · Lv 30–32
Pokemon Mansion (2F)Walking in tall grass or a cave · Lv 30–34
Pokemon Mansion (3F)Walking in tall grass or a cave · Lv 31–35
Pokemon Mansion (B1F)Walking in tall grass or a cave · Lv 31–33

Red 4 areas

Pokemon Mansion (1F)Walking in tall grass or a cave · Lv 30
Pokemon Mansion (2F)Walking in tall grass or a cave · Lv 30
Pokemon Mansion (3F)Walking in tall grass or a cave · Lv 34
Pokemon Mansion (B1F)Walking in tall grass or a cave · Lv 35

Green (Japan) 4 areas

Pokemon Mansion (1F)Walking in tall grass or a cave · Lv 30–32
Pokemon Mansion (2F)Walking in tall grass or a cave · Lv 30–34
Pokemon Mansion (3F)Walking in tall grass or a cave · Lv 31–35
Pokemon Mansion (B1F)Walking in tall grass or a cave · Lv 31–33

Red (Japan) 4 areas

Pokemon Mansion (1F)Walking in tall grass or a cave · Lv 30
Pokemon Mansion (2F)Walking in tall grass or a cave · Lv 30
Pokemon Mansion (3F)Walking in tall grass or a cave · Lv 34
Pokemon Mansion (B1F)Walking in tall grass or a cave · Lv 35

Locations cover Red & Blue to Sword & Shield (with its DLC) and Let’s Go. We don’t have them yet for Legends: Arceus, Brilliant Diamond & Shining Pearl, Scarlet & Violet and Legends: Z-A.

Grimer

Weak to

Resists

Weak to

Resists

Immune to

Smogon · Showdown On Showdown

Most common build

Usage by rating

Usage by month

Moves

Items

Abilities

EV spreads

Tera types

Common teammates

Smogon · Showdown On Showdown

Most common build

Usage by rating

Usage by month

Moves

Items

Abilities

EV spreads

Tera types

Common teammates

Level up 16

TM / HM / TR 47

Egg moves 9

Names around the world

Artwork and 3D models

Gen IX · Gen VIII · Gen VII · Gen VI · Gen V

Generation IV

Generation III

Generation II

Generation I

Artwork and 3D models

Gen IX · Gen VII