poke.study

No. 0088

Grimer

Sludge Pokémon

Grimer
Official art
Poison
Height
0.9 m 2′11″
Weight
30 kg 66.1 lbs
Base stat total
325 top 75%
Introduced
Gen I
Abilities
Made of congealed sludge. It smells too putrid to touch. Even weeds won’t grow in its path.
See all 17 entries

Base stats

HP80140–187270–364
Atk8076–145148–284
Def5049–11294–218
SpA4040–10176–196
SpD5049–11294–218
Spe2527–8449–163
Total325Higher than 25% of all Pokémon
HP80Atk80Def50Spe25SpD50SpA40

Ranges: 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

Speed tiers

Speed at Lv 50 in Pokémon Champions (base 25). Scarf and Tailwind use the Max+ value.

Max+84Max77No SP45Min40Scarf126Tailwind168

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

  1. 203Mega Garchomp ZModest · 32 SP · #21 in usage
  2. 200Mega GengarTimid · 32 SP · #26 in usage
  3. 190Mega Raichu YTimid · 23 SP · #13 in usage
  4. 189Mega SalamenceTimid · 32 SP · #4 in usage
  5. 184WhimsicottTimid · 32 SP · #23 in usage
  6. 178Mega MetagrossJolly · 32 SP · #28 in usage
  7. 178Mega StaraptorJolly · 32 SP · #29 in usage
  8. 172SneaslerAdamant · 32 SP · #2 in usage
  9. 169Mega FloetteTimid · 32 SP · #17 in usage
  10. 169GarchompJolly · 32 SP · #19 in usage
  11. 167Mega Charizard YTimid · 32 SP · #14 in usage
  12. 167Mega GardevoirTimid · 32 SP · #20 in usage
  13. 161IndeedeeTimid · 32 SP · #30 in usage
  14. 156Hisuian ArcanineJolly · 32 SP · #16 in usage
  15. 150ArchaludonTimid · 32 SP · #9 in usage
  16. 149GholdengoTimid · 32 SP · #8 in usage
  17. 143BasculegionJolly · 32 SP · #6 in usage
  18. 128PelipperTimid · 32 SP · #12 in usage
  19. 120VolcaronaBold · 0 SP · #25 in usage
  20. 105RillaboomAdamant · 0 SP · #1 in usage
  21. 101MiloticCalm · 0 SP · #15 in usage
  22. 95SylveonModest · 15 SP · #18 in usage
  23. 94Female IndeedeeRelaxed · 0 SP · #7 in usage
  24. 90PolitoedCalm · 0 SP · #22 in usage
  25. 90SinistchaBold · 0 SP · #24 in usage
  26. 85ArmarougeQuiet · 0 SP · #27 in usage
  27. 84Grimer · Max+32 SP, Speed-raising alignment
  28. 80IncineroarCareful · 0 SP · #3 in usage
  29. 80FarigirafBold · 0 SP · #11 in usage
  30. 77Grimer · Max32 SP, neutral alignment
  31. 70KingambitAdamant · 0 SP · #5 in usage
  32. 60Mega GolisopodAdamant · 0 SP · #10 in usage
  33. 45Grimer · No SP0 SP, neutral alignment

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.

Type matchups

Weak to

Ground2×Psychic2×

Resists

Bug½×Fairy½×Fighting½×Grass½×Poison½×
Takes normal damage from 11 types
NormalFlyingRockGhostSteelFireWaterElectricIceDragonDark

Abilities

  • Stench

    Has a 10% chance of making target Pokémon flinch with each hit.

  • Sticky Hold

    Prevents a held item from being removed by other Pokémon.

  • Poison TouchHidden ability

    Has a 30% chance of poisoning target Pokémon upon contact.

Competitive

SV SinglesLC

0.19% of teams · rank #85 · Singles, first stages at Lv 5 · 1630+ rating · 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
  1. Drain Punch
  2. Gunk Shot
  3. Rest
  4. Sleep Talk

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

Usage by rating

  • All players0.31%
  • Rated 1500+0.24%
  • Rated 1630+0.19%
  • Rated 1760+0.02%

Usage by month

Oct 20250.19%

Moves

  • Drain Punch98.7%
  • Gunk Shot95.2%
  • Rest92%
  • Sleep Talk92%
  • Memento4.7%
  • Shadow Sneak4.2%
  • Poison Jab3.7%
  • Ice Punch3.6%
  • Fire Punch3.2%
  • Toxic1.1%

Items

  • Eviolite98.8%
  • Smooth Rock1.1%
  • Sitrus Berry0.1%
  • Choice Scarf0%
  • Leftovers0%
  • Air Balloon0%

Abilities

  • 96.4%
  • 3.6%
  • 0%

EV spreads

  • Adamant 116 Atk / 196 Def / 196 SpD92%
  • 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%
  • Poison7.9%
  • Flying0.1%
  • Ghost0%

Common teammates

Evolution

Moves

Level up 16

1Poison GasPoisons the target.PoisonStatus—90%40
1PoundInflicts regular damage with no additional effect.NormalPhys40100%35
4HardenRaises the user’s Defense by one stage.NormalStatus——30
7Mud-SlapHas a 100% chance to lower the target’s accuracy by one stage.GroundSpec20100%10
12DisableDisables the target’s last used move for 1-8 turns.NormalStatus—100%20
15SludgeHas a 30% chance to poison the target.PoisonSpec65100%20
18Mud ShotHas a 100% chance to lower the target’s Speed by one stage.GroundSpec5595%15
21MinimizeRaises the user’s evasion by two stages.NormalStatus——10
26ToxicBadly poisons the target, inflicting more damage every turn.PoisonStatus—90%10
29Sludge BombHas a 30% chance to poison the target.PoisonSpec90100%10
32Sludge WaveHas a 10% chance to poison the target.PoisonSpec95100%10
37ScreechLowers the target’s Defense by two stages.NormalStatus—85%40
40Gunk ShotHas a 30% chance to poison the target.PoisonPhys12080%5
43Acid ArmorRaises the user’s Defense by two stages.PoisonStatus——20
46BelchCan only be used after the user has eaten a berry.PoisonSpec12090%10
48MementoLowers the target’s Attack and Special Attack by two stages. User faints.DarkStatus—100%10

TM / HM / TR 47

TM01Take DownUser receives 1/4 the damage it inflicts in recoil.NormalPhys9085%20
TM05Mud-SlapHas a 100% chance to lower the target’s accuracy by one stage.GroundSpec20100%10
TM06Scary FaceLowers the target’s Speed by two stages.NormalStatus—100%10
TM07ProtectPrevents any moves from hitting the user this turn.NormalStatus——10
TM13Acid SprayLowers the target’s Special Defense by two stages.PoisonSpec40100%20
TM17Confuse RayConfuses the target.GhostStatus—100%10
TM18ThiefTakes the target’s item.DarkPhys60100%25
TM25FacadePower doubles if user is burned, paralyzed, or poisoned.NormalPhys70100%20
TM29HexHas double power if the target has a major status ailment.GhostSpec65100%10
TM35Mud ShotHas a 100% chance to lower the target’s Speed by one stage.GroundSpec5595%15
TM36Rock TombHas a 100% chance to lower the target’s Speed by one stage.RockPhys6095%15
TM43FlingThrows held item at the target; power depends on the item.DarkPhys—100%10
TM45VenoshockInflicts double damage if the target is Poisoned.PoisonSpec65100%10
TM47EndurePrevents the user’s HP from lowering below 1 this turn.NormalStatus——10
TM49Sunny DayChanges the weather to sunny for five turns.FireStatus——5
TM50Rain DanceChanges the weather to rain for five turns.WaterStatus——5
TM51SandstormChanges the weather to a sandstorm for five turns.RockStatus——10
TM55DigUser digs underground, dodging all attacks, and hits next turn.GroundPhys80100%10
TM59Zen HeadbuttHas a 20% chance to make the target flinch.PsychicPhys8090%15
TM66Body SlamHas a 30% chance to paralyze the target.NormalPhys85100%15
TM67Fire PunchHas a 10% chance to burn the target.FirePhys75100%15
TM68Thunder PunchHas a 10% chance to paralyze the target.ElectricPhys75100%15
TM69Ice PunchHas a 10% chance to freeze the target.IcePhys75100%15
TM70Sleep TalkRandomly uses one of the user’s other three moves. Only works if the user is sleeping.NormalStatus——10
TM73Drain PunchDrains half the damage inflicted to heal the user.FightingPhys75100%10
TM80MetronomeRandomly selects and uses any move in the game.NormalStatus——10
TM83Poison JabHas a 30% chance to poison the target.PoisonPhys80100%20
TM85RestUser sleeps for two turns, completely healing itself.PsychicStatus——5
TM86Rock SlideHas a 30% chance to make the target flinch.RockPhys7590%10
TM87TauntFor the next few turns, the target can only use damaging moves.DarkStatus—100%20
TM92ImprisonPrevents the target from using any moves that the user also knows.PsychicStatus——10
TM102Gunk ShotHas a 30% chance to poison the target.PoisonPhys12080%5
TM103SubstituteTransfers 1/4 of the user’s max HP into a doll, protecting the user from further damage or status changes until it breaks.NormalStatus——10
TM111Giga DrainDrains half the damage inflicted to heal the user.GrassSpec75100%10
TM114Shadow BallHas a 20% chance to lower the target’s Special Defense by one stage.GhostSpec80100%15
TM125FlamethrowerHas a 10% chance to burn the target.FireSpec90100%15
TM126ThunderboltHas a 10% chance to paralyze the target.ElectricSpec90100%15
TM130Helping HandAlly’s next move inflicts half more damage.NormalStatus——20
TM141Fire BlastHas a 10% chance to burn the target.FireSpec11085%5
TM148Sludge BombHas a 30% chance to poison the target.PoisonSpec90100%10
TM166ThunderHas a 30% chance to paralyze the target.ElectricSpec11070%10
TM171Tera BlastIf the user has Terastallized, it unleashes energy of its Tera Type. This move inflicts damage using the Attack or Sp. Atk stat—whichever is higher for the user.NormalSpec80100%10
TM174HazeResets all Pokémon’s stats, accuracy, and evasion.IceStatus——30
TM175ToxicBadly poisons the target, inflicting more damage every turn.PoisonStatus—90%10
TM202Pain SplitSets the user’s and targets’s HP to the average of their current HP.NormalStatus——20
TM214Sludge WaveHas a 10% chance to poison the target.PoisonSpec95100%10
TM224CurseGhosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense.GhostStatus——10

Egg moves 9

EggAcid SprayLowers the target’s Special Defense by two stages.PoisonSpec40100%20
EggCurseGhosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense.GhostStatus——10
EggHazeResets all Pokémon’s stats, accuracy, and evasion.IceStatus——30
EggMean LookPrevents the target from leaving battle.NormalStatus——5
EggShadow PunchNever misses.GhostPhys60—20
EggShadow SneakInflicts regular damage with no additional effect.GhostPhys40100%30
EggSpit UpPower is 100 times the amount of energy Stockpiled.NormalSpec—100%10
EggStockpileStores energy up to three times for use with Spit Up and Swallow.NormalStatus——20
EggSwallowRecovers 1/4 HP after one Stockpile, 1/2 HP after two Stockpiles, or full HP after three Stockpiles.NormalStatus——10

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
  1. 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!
  2. 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
  3. 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
  4. It was born from sludge transformed by exposure to X-rays from the moon. When its internal load of germs decreases, it dies.

    Moon
  5. Its main source of food is the slimy industrial waste of factories. This Pokémon’s numbers have been decreasing in recent years.

    Sun
  6. Born from sludge, these Pokémon now gather in polluted places and increase the bacteria in their bodies.

    Black 2 · White 2
  7. 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
  8. Appears in filthy areas. It thrives by sucking up polluted sludge that is pumped out of factories.

    LeafGreen · Y
  9. Sludge exposed to X rays from the moon transformed into GRIMER. It loves feeding on filthy things.

    FireRed · X
  10. Born from polluted sludge in the sea, GRIMER’s favorite food is anything filthy. They feed on wastewater pumped out from factories.

    Emerald
  11. 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
  12. 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
  13. When two of these Pokémon's bodies are combined together, new poisons are created.

    Crystal
  14. Wherever GRIMER has passed, so many germs are left behind that no plants will ever grow again.

    Silver · SoulSilver
  15. As it moves, it loses bits of its body from which new GRIMER emerge. This worsens the stench around it.

    Gold · HeartGold
  16. Made of hardened sludge. It smells too putrid to touch. Even weeds won't grow in its path.

    Yellow
  17. Appears in filthy areas. Thrives by sucking up polluted sludge that is pumped out of factories.

    Red · Blue

Names around the world

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

Tap any sprite to show it on the Pokédex above. ▶ marks official animations; Gen VIII–IX models are large, so they load only when you tap them.

Official artwork

3D models

Generation I

Generation II

Generation III

Generation IV

Generation V

Generation VI

Generation VII

Generation VIII · animated models

Generation IX · animated models

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

Green 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
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
XD 1 area
  • Phenac City StadiumSnagging a Pokemon from a trainer in Pokemon Colosseum or Pokemon XD: Gale of Darkness. · Lv 23
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
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