Home › Pokédex › Gulpin
#0316 · Generation III

Gulpin

Poison · Stomach Pokémon — first seen in Generation III.

Showing the official games. Pick a ROM hack to see how it changes this Pokémon, or compare all of them.

Base stats

StatBaseMinMax
HP70
250344
Attack43
81203
Defense53
99225
Sp. Attack43
81203
Sp. Defense53
99225
Speed40
76196
Total302

Min and max are at level 100: the minimum is 0 IVs, 0 EVs and a hindering nature, the maximum 31 IVs, 252 EVs and a beneficial nature. Shedinja's HP is always 1 whatever the formula says.

Type defences

Damage Gulpin takes from each attacking type.

×2
GroundPsychic
×½
FightingPoisonBugGrassFairy
×1
NormalFlyingRockGhostSteelFireWaterElectricIceDragonDark

Evolution

Methods are the current official ones. A ROM hack may change them — trade evolutions especially; the guide table below says which do.

In the ROM hacks it evolves differently

Each guide's own line, in the words its creator published.

Moves by official game

Level-up, TM/HM, tutor and egg moves exactly as each game has them. The newest game this site covers is open; the rest fold out.

Ultra Sun / Ultra Moon16 level-up · 25 TM/HM · 12 tutor · 8 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
5YawnNormalStatus——10
8Poison GasPoisonStatus—90%40
10SludgePoisonSpecial65100%20
12AmnesiaPsychicStatus——20
17Acid SprayPoisonSpecial40100%20
20EncoreNormalStatus—100%5
25ToxicPoisonStatus—90%10
28StockpileNormalStatus——20
28Spit UpNormalSpecial—100%10
28SwallowNormalStatus——10
33Sludge BombPoisonSpecial90100%10
36Gastro AcidPoisonStatus—100%10
41BelchPoisonSpecial12090%10
44Wring OutNormalSpecial—100%5
49Gunk ShotPoisonPhysical12080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09VenoshockPoisonSpecial65100%10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Sludge WavePoisonSpecial95100%10
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM64ExplosionNormalPhysical250100%5
TM83InfestationBugSpecial20100%20
TM85Dream EaterPsychicSpecial100100%15
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10

Move tutor

MoveTypeCat.PowerAcc.PP
Fire PunchFirePhysical75100%15
Ice PunchIcePhysical75100%15
ThunderPunchElectricPhysical75100%15
SnoreNormalSpecial50100%15
Giga DrainGrassSpecial75100%10
Pain SplitNormalStatus——20
SnatchDarkStatus——10
Shock WaveElectricSpecial60—20
Water PulseWaterSpecial60100%20
Gastro AcidPoisonStatus—100%10
Seed BombGrassPhysical80100%15
Gunk ShotPoisonPhysical12080%5

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Acid ArmorPoisonStatus——20
CurseGhostStatus——10
Mud-SlapGroundSpecial20100%10
Destiny BondGhostStatus——5
Pain SplitNormalStatus——20
Gunk ShotPoisonPhysical12080%5
Venom DrenchPoisonStatus—100%20
Sun / Moon16 level-up · 25 TM/HM · 8 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
5YawnNormalStatus——10
8Poison GasPoisonStatus—90%40
10SludgePoisonSpecial65100%20
12AmnesiaPsychicStatus——20
17Acid SprayPoisonSpecial40100%20
20EncoreNormalStatus—100%5
25ToxicPoisonStatus—90%10
28StockpileNormalStatus——20
28Spit UpNormalSpecial—100%10
28SwallowNormalStatus——10
33Sludge BombPoisonSpecial90100%10
36Gastro AcidPoisonStatus—100%10
41BelchPoisonSpecial12090%10
44Wring OutNormalSpecial—100%5
49Gunk ShotPoisonPhysical12080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09VenoshockPoisonSpecial65100%10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Sludge WavePoisonSpecial95100%10
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM64ExplosionNormalPhysical250100%5
TM83InfestationBugSpecial20100%20
TM85Dream EaterPsychicSpecial100100%15
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Acid ArmorPoisonStatus——20
CurseGhostStatus——10
Mud-SlapGroundSpecial20100%10
Destiny BondGhostStatus——5
Pain SplitNormalStatus——20
Gunk ShotPoisonPhysical12080%5
Venom DrenchPoisonStatus—100%20
Omega Ruby / Alpha Sapphire16 level-up · 29 TM/HM · 12 tutor · 8 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
5YawnNormalStatus——10
8Poison GasPoisonStatus—90%40
10SludgePoisonSpecial65100%20
12AmnesiaPsychicStatus——20
17Acid SprayPoisonSpecial40100%20
20EncoreNormalStatus—100%5
25ToxicPoisonStatus—90%10
28StockpileNormalStatus——20
28Spit UpNormalSpecial—100%10
28SwallowNormalStatus——10
33Sludge BombPoisonSpecial90100%10
36Gastro AcidPoisonStatus—100%10
41BelchPoisonSpecial12090%10
44Wring OutNormalSpecial—100%5
49Gunk ShotPoisonPhysical12080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09VenoshockPoisonSpecial65100%10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Sludge WavePoisonSpecial95100%10
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM64ExplosionNormalPhysical250100%5
TM83InfestationBugSpecial20100%20
TM85Dream EaterPsychicSpecial100100%15
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM94Secret PowerNormalPhysical70100%20
TM98Power-Up PunchFightingPhysical40100%20
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15

Move tutor

MoveTypeCat.PowerAcc.PP
Fire PunchFirePhysical75100%15
Ice PunchIcePhysical75100%15
ThunderPunchElectricPhysical75100%15
SnoreNormalSpecial50100%15
Giga DrainGrassSpecial75100%10
Pain SplitNormalStatus——20
SnatchDarkStatus——10
Shock WaveElectricSpecial60—20
Water PulseWaterSpecial60100%20
Gastro AcidPoisonStatus—100%10
Seed BombGrassPhysical80100%15
Gunk ShotPoisonPhysical12080%5

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Acid ArmorPoisonStatus——20
CurseGhostStatus——10
Mud-SlapGroundSpecial20100%10
Destiny BondGhostStatus——5
Pain SplitNormalStatus——20
Gunk ShotPoisonPhysical12080%5
Venom DrenchPoisonStatus—100%20
X / Y16 level-up · 28 TM/HM · 8 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
6YawnNormalStatus——10
9Poison GasPoisonStatus—90%40
14SludgePoisonSpecial65100%20
17AmnesiaPsychicStatus——20
23EncoreNormalStatus—100%5
28ToxicPoisonStatus—90%10
34Acid SprayPoisonSpecial40100%20
39StockpileNormalStatus——20
39Spit UpNormalSpecial—100%10
39SwallowNormalStatus——10
40BelchPoisonSpecial12090%10
44Sludge BombPoisonSpecial90100%10
49Gastro AcidPoisonStatus—100%10
54Wring OutNormalSpecial—100%5
59Gunk ShotPoisonPhysical12080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09VenoshockPoisonSpecial65100%10
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Sludge WavePoisonSpecial95100%10
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM64ExplosionNormalPhysical250100%5
TM83InfestationBugSpecial20100%20
TM85Dream EaterPsychicSpecial100100%15
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM94Rock SmashFightingPhysical40100%15
TM98Power-Up PunchFightingPhysical40100%20
HM04StrengthNormalPhysical80100%15

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Acid ArmorPoisonStatus——20
CurseGhostStatus——10
Mud-SlapGroundSpecial20100%10
Destiny BondGhostStatus——5
Pain SplitNormalStatus——20
Gunk ShotPoisonPhysical12080%5
Venom DrenchPoisonStatus—100%20
Black 2 / White 215 level-up · 24 TM/HM · 11 tutor · 7 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
6YawnNormalStatus——10
9Poison GasPoisonStatus—90%40
14SludgePoisonSpecial65100%20
17AmnesiaPsychicStatus——20
23EncoreNormalStatus—100%5
28ToxicPoisonStatus—90%10
34Acid SprayPoisonSpecial40100%20
39StockpileNormalStatus——20
39Spit UpNormalSpecial—100%10
39SwallowNormalStatus——10
44Sludge BombPoisonSpecial90100%10
49Gastro AcidPoisonStatus—100%10
54Wring OutNormalSpecial—100%5
59Gunk ShotPoisonPhysical12080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09VenoshockPoisonSpecial65100%10
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Sludge WavePoisonSpecial95100%10
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM64ExplosionNormalPhysical250100%5
TM85Dream EaterPsychicSpecial100100%15
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
TM94Rock SmashFightingPhysical40100%15
HM04StrengthNormalPhysical80100%15

Move tutor

MoveTypeCat.PowerAcc.PP
Fire PunchFirePhysical75100%15
Ice PunchIcePhysical75100%15
ThunderPunchElectricPhysical75100%15
SnoreNormalSpecial50100%15
Giga DrainGrassSpecial75100%10
Sleep TalkNormalStatus——10
Pain SplitNormalStatus——20
SnatchDarkStatus——10
Gastro AcidPoisonStatus—100%10
Seed BombGrassPhysical80100%15
Gunk ShotPoisonPhysical12080%5

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Acid ArmorPoisonStatus——20
CurseGhostStatus——10
Mud-SlapGroundSpecial20100%10
Destiny BondGhostStatus——5
Pain SplitNormalStatus——20
Gunk ShotPoisonPhysical12080%5
Black / White15 level-up · 24 TM/HM · 7 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
6YawnNormalStatus——10
9Poison GasPoisonStatus—90%40
14SludgePoisonSpecial65100%20
17AmnesiaPsychicStatus——20
23EncoreNormalStatus—100%5
28ToxicPoisonStatus—90%10
34Acid SprayPoisonSpecial40100%20
39StockpileNormalStatus——20
39Spit UpNormalSpecial—100%10
39SwallowNormalStatus——10
44Sludge BombPoisonSpecial90100%10
49Gastro AcidPoisonStatus—100%10
54Wring OutNormalSpecial—100%5
59Gunk ShotPoisonPhysical12080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM06ToxicPoisonStatus—90%10
TM09VenoshockPoisonSpecial65100%10
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Sludge WavePoisonSpecial95100%10
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM48RoundNormalSpecial60100%15
TM64ExplosionNormalPhysical250100%5
TM85Dream EaterPsychicSpecial100100%15
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
TM94Rock SmashFightingPhysical40100%15
HM04StrengthNormalPhysical80100%15

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Acid ArmorPoisonStatus——20
CurseGhostStatus——10
Mud-SlapGroundSpecial20100%10
Destiny BondGhostStatus——5
Pain SplitNormalStatus——20
Gunk ShotPoisonPhysical12080%5
HeartGold / SoulSilver14 level-up · 31 TM/HM · 11 tutor · 6 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
6YawnNormalStatus——10
9Poison GasPoisonStatus—90%40
14SludgePoisonSpecial65100%20
17AmnesiaPsychicStatus——20
23EncoreNormalStatus—100%5
28ToxicPoisonStatus—90%10
34StockpileNormalStatus——20
34Spit UpNormalSpecial—100%10
34SwallowNormalStatus——10
39Sludge BombPoisonSpecial90100%10
44Gastro AcidPoisonStatus—100%10
49Wring OutNormalSpecial—100%5
54Gunk ShotPoisonPhysical12080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM19Giga DrainGrassSpecial75100%10
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Shock WaveElectricSpecial60—20
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM49SnatchDarkStatus——10
TM58EndureNormalStatus——10
TM64ExplosionNormalPhysical250100%5
TM78CaptivateNormalStatus—100%20
TM82Sleep TalkNormalStatus——10
TM83Natural GiftNormalPhysical—100%15
TM85Dream EaterPsychicSpecial100100%15
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15

Move tutor

MoveTypeCat.PowerAcc.PP
Fire PunchFirePhysical75100%15
Ice PunchIcePhysical75100%15
ThunderPunchElectricPhysical75100%15
HeadbuttNormalPhysical70100%15
SnoreNormalSpecial50100%15
Mud-SlapGroundSpecial20100%10
RolloutRockPhysical3090%20
Pain SplitNormalStatus——20
Gastro AcidPoisonStatus—100%10
Seed BombGrassPhysical80100%15
Gunk ShotPoisonPhysical12080%5

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Dream EaterPsychicSpecial100100%15
Acid ArmorPoisonStatus——20
CurseGhostStatus——10
Destiny BondGhostStatus——5
Pain SplitNormalStatus——20
Platinum14 level-up · 31 TM/HM · 9 tutor · 6 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
6YawnNormalStatus——10
9Poison GasPoisonStatus—90%40
14SludgePoisonSpecial65100%20
17AmnesiaPsychicStatus——20
23EncoreNormalStatus—100%5
28ToxicPoisonStatus—90%10
34StockpileNormalStatus——20
34Spit UpNormalSpecial—100%10
34SwallowNormalStatus——10
39Sludge BombPoisonSpecial90100%10
44Gastro AcidPoisonStatus—100%10
49Wring OutNormalSpecial—100%5
54Gunk ShotPoisonPhysical12080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM19Giga DrainGrassSpecial75100%10
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Shock WaveElectricSpecial60—20
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM49SnatchDarkStatus——10
TM58EndureNormalStatus——10
TM64ExplosionNormalPhysical250100%5
TM78CaptivateNormalStatus—100%20
TM82Sleep TalkNormalStatus——10
TM83Natural GiftNormalPhysical—100%15
TM85Dream EaterPsychicSpecial100100%15
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15

Move tutor

MoveTypeCat.PowerAcc.PP
Fire PunchFirePhysical75100%15
Ice PunchIcePhysical75100%15
ThunderPunchElectricPhysical75100%15
SnoreNormalSpecial50100%15
Mud-SlapGroundSpecial20100%10
RolloutRockPhysical3090%20
Gastro AcidPoisonStatus—100%10
Seed BombGrassPhysical80100%15
Gunk ShotPoisonPhysical12080%5

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Dream EaterPsychicSpecial100100%15
Acid ArmorPoisonStatus——20
CurseGhostStatus——10
Destiny BondGhostStatus——5
Pain SplitNormalStatus——20
Diamond / Pearl14 level-up · 31 TM/HM · 6 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
6YawnNormalStatus——10
9Poison GasPoisonStatus—90%40
14SludgePoisonSpecial65100%20
17AmnesiaPsychicStatus——20
23EncoreNormalStatus—100%5
28ToxicPoisonStatus—90%10
34StockpileNormalStatus——20
34Spit UpNormalSpecial—100%10
34SwallowNormalStatus——10
39Sludge BombPoisonSpecial90100%10
44Gastro AcidPoisonStatus—100%10
49Wring OutNormalSpecial—100%5
54Gunk ShotPoisonPhysical12080%5

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM19Giga DrainGrassSpecial75100%10
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Shock WaveElectricSpecial60—20
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM49SnatchDarkStatus——10
TM58EndureNormalStatus——10
TM64ExplosionNormalPhysical250100%5
TM78CaptivateNormalStatus—100%20
TM82Sleep TalkNormalStatus——10
TM83Natural GiftNormalPhysical—100%15
TM85Dream EaterPsychicSpecial100100%15
TM87SwaggerNormalStatus—85%15
TM90SubstituteNormalStatus——10
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Dream EaterPsychicSpecial100100%15
Acid ArmorPoisonStatus——20
CurseGhostStatus——10
Destiny BondGhostStatus——5
Pain SplitNormalStatus——20
FireRed / LeafGreen11 level-up · 23 TM/HM · 7 tutor · 4 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
6YawnNormalStatus——10
9Poison GasPoisonStatus—90%40
14SludgePoisonSpecial65100%20
17AmnesiaPsychicStatus——20
23EncoreNormalStatus—100%5
28ToxicPoisonStatus—90%10
34StockpileNormalStatus——20
34Spit UpNormalSpecial—100%10
34SwallowNormalStatus——10
39Sludge BombPoisonSpecial90100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM19Giga DrainGrassSpecial75100%10
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Shock WaveElectricSpecial60—20
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM49SnatchDarkStatus——10
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15

Move tutor

MoveTypeCat.PowerAcc.PP
Body SlamNormalPhysical85100%15
Double-EdgeNormalPhysical120100%15
CounterFightingPhysical—100%20
MimicNormalStatus——10
Dream EaterPsychicSpecial100100%15
ExplosionNormalPhysical250100%5
SubstituteNormalStatus——10

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Dream EaterPsychicSpecial100100%15
Acid ArmorPoisonStatus——20
Pain SplitNormalStatus——20
Emerald11 level-up · 23 TM/HM · 18 tutor · 4 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
6YawnNormalStatus——10
9Poison GasPoisonStatus—90%40
14SludgePoisonSpecial65100%20
17AmnesiaPsychicStatus——20
23EncoreNormalStatus—100%5
28ToxicPoisonStatus—90%10
34StockpileNormalStatus——20
34Spit UpNormalSpecial—100%10
34SwallowNormalStatus——10
39Sludge BombPoisonSpecial90100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM19Giga DrainGrassSpecial75100%10
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Shock WaveElectricSpecial60—20
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM49SnatchDarkStatus——10
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15

Move tutor

MoveTypeCat.PowerAcc.PP
Fire PunchFirePhysical75100%15
Ice PunchIcePhysical75100%15
ThunderPunchElectricPhysical75100%15
Body SlamNormalPhysical85100%15
Double-EdgeNormalPhysical120100%15
CounterFightingPhysical—100%20
MimicNormalStatus——10
Defense CurlNormalStatus——40
Dream EaterPsychicSpecial100100%15
ExplosionNormalPhysical250100%5
SubstituteNormalStatus——10
SnoreNormalSpecial50100%15
Mud-SlapGroundSpecial20100%10
EndureNormalStatus——10
RolloutRockPhysical3090%20
SwaggerNormalStatus—85%15
Sleep TalkNormalStatus——10
Dynamic PunchFightingPhysical10050%5

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Dream EaterPsychicSpecial100100%15
Acid ArmorPoisonStatus——20
Pain SplitNormalStatus——20
Ruby / Sapphire11 level-up · 23 TM/HM · 4 egg

Level-up

LvMoveTypeCat.PowerAcc.PP
1PoundNormalPhysical40100%35
6YawnNormalStatus——10
9Poison GasPoisonStatus—90%40
14SludgePoisonSpecial65100%20
17AmnesiaPsychicStatus——20
23EncoreNormalStatus—100%5
28ToxicPoisonStatus—90%10
34StockpileNormalStatus——20
34Spit UpNormalSpecial—100%10
34SwallowNormalStatus——10
39Sludge BombPoisonSpecial90100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03Water PulseWaterSpecial60100%20
TM06ToxicPoisonStatus—90%10
TM09Bullet SeedGrassPhysical25100%30
TM10Hidden PowerNormalSpecial60100%15
TM11Sunny DayFireStatus——5
TM13Ice BeamIceSpecial90100%10
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM19Giga DrainGrassSpecial75100%10
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM27ReturnNormalPhysical—100%20
TM30Shadow BallGhostSpecial80100%15
TM32Double TeamNormalStatus——15
TM34Shock WaveElectricSpecial60—20
TM36Sludge BombPoisonSpecial90100%10
TM42FacadeNormalPhysical70100%20
TM43Secret PowerNormalPhysical70100%20
TM44RestPsychicStatus——5
TM45AttractNormalStatus—100%15
TM49SnatchDarkStatus——10
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15

Egg moves

MoveTypeCat.PowerAcc.PP
SmogPoisonSpecial3070%20
Dream EaterPsychicSpecial100100%15
Acid ArmorPoisonStatus——20
Pain SplitNormalStatus——20

Where to find it in the official games

Every area in the 16 official games on this site that has it, from each game's own encounter tables.

In the wild

GameAreaMethodLevelsRate
Ruby / SapphireRoute 110Grass12-1315%
EmeraldRoute 110Grass12-1315%
Diamond / PearlGreat MarshGrass
morning, Emerald in the GBA slot / LeafGreen in the GBA slot / Ruby in the GBA slot / Sapphire in the GBA slot, National Pokédex, 1 of 32, morning, FireRed in the GBA slot, National Pokédex, 1 of 32, night, Emerald in the GBA slot / LeafGreen in the GBA slot / Ruby in the GBA slot / Sapphire in the GBA slot, National Pokédex, 1 of 32, night, FireRed in the GBA slot, National Pokédex, 1 of 32
22-265.9%
PlatinumGreat MarshGrass
morning, Emerald in the GBA slot / LeafGreen in the GBA slot / Ruby in the GBA slot / Sapphire in the GBA slot, National Pokédex, 2 of 32, morning, FireRed in the GBA slot, National Pokédex, 2 of 32, night, Emerald in the GBA slot / LeafGreen in the GBA slot / Ruby in the GBA slot / Sapphire in the GBA slot, National Pokédex, 2 of 32, night, FireRed in the GBA slot, National Pokédex, 2 of 32
27-305.9%
HeartGold / SoulSilverRoute 3Grass
swarm, morning, swarm, morning, Hoenn Sound, swarm, morning, Sinnoh Sound, swarm, night, swarm, night, Hoenn Sound, swarm, night, Sinnoh Sound
540%
X / YRoute 5Grass1010%
X / YRoute 5Horde557.1%
X / YRoute 5Purple flowers1010%

Where to find it in the ROM hacks

41 guides on this site put it somewhere you can catch it. Areas link to that guide's own route page, with its own rates and levels.

GuideWhere
Unbound
Route 11Day · Lv 26-29 · 15%
Route 11Night · Lv 26-29 · 15%
Pokémon Too Many Types 2
Pyre BasementHidden · Lv — · 25%
Route 112Grass · Lv — · 11%
Fiery PathHidden · Lv — · 35%
Pokémon Heart & Soul
Route 17Grass · Lv 42-44 · 5%rare
Route 17Grass · Lv 42-48 · 5%rare
Pokémon R.O.W.E
Route 110Grass (Night) · Lv Scales · 10%
Safari ZoneGrass · Lv Scales · 5%rare
Pokémon Odyssey
Etrian
Fibernia PromontoryGrass · Lv 2-5 · 6%rare
Wonder TradeWonder Trade · Lv 5
Blaze Black 2 Redux & Volt White 2 Redux
Castelia SewersGrass · Lv 19-20 · 10%
Route 9Hidden Grotto — common · Lv —
Radical Red
Route 6Grass (Day) · Lv 16-18 · 10%
Elite Redux
Route 110Grass · Lv — · 20%
Pokémon GS Chronicles
Goldenrod SewersWild · Lv —
Pokémon Emerald Kaizo
Route 102Grass · Lv 6 · 10%
Inclement Emerald
Route 110Grass · Lv Scales · 20%
Renegade Platinum
Great Marsh ~ Area 5/6Morning · Lv 33-36 · 20%
Great Marsh ~ Area 5/6Day · Lv 33-36 · 20%
Great Marsh ~ Area 5/6Night · Lv 33-36 · 20%
Pokémon Odyssey II: Heroes of Lemuria
Tharsis (Wonder Trade House)Wonder Trade · Lv ?
Primitive JungleGrass · Lv 14-16 · 10%
Tharsis SewersFloor · Lv 9-11 · 6%
Pokemon Modern Emerald
Route 110Grass (day) · Lv 12-13 · 15%
Route 110Grass (day) · Lv 12-13 · 19%
Route 110Grass (night) · Lv 12-13 · 15%
and 1 more area
Pokémon Crippling Medical Debt Edition
Route 101Grass · Lv 2-4 · 4%rare
Pokémon Emerald Ex
Route 137Grass · Lv ? · 10%
Route 110Grass · Lv ? · 10%
Route 114Grass · Lv ? · 10%
Blinding White Plus
Pledge GroveGrass · Lv 12-14 · 10%
Pokémon Valiant
Route DGrass · Lv 13-14 · 4%rare
Route 110Grass · Lv 12-13 · 15%
Pokémon Emerald Imperium
Route 118Grass · Lv 20-24 · 1%rare
Pokémon Platinum Kaizo
Route 203Grass · Lv 8 · 15%
Fuego IronworksOld Rod · Lv ? · 65%
Underground Forest RoomGrass · Lv 45 · 10%
Pokémon Hoenn's Last Wish
Fiery PathGrass (morning) · Lv 23-28 · 20%
Jagged PassGrass (morning) · Lv 26-34 · 10%
Mt. ChimneyGrass · Lv 27-34 · 10%
Low Budget Crystal
Route 110Grass · Lv Base+1 · 20%
Route 16Grass (day) · Lv Base+1 · 20%
Route 16Grass (morning) · Lv Base+1 · 20%
and 2 more areas
Pokémon Emerald Squared
Route 110Land · Lv 20-25 · 5%
Pokémon Tourmaline
Route 83Swarm · Lv —
Pokémon FireRed Reignited & LeafGreen Regrown
Route 4Grass after the wish · Lv 13 · 10%
Sacred Gold & Storm Silver
Route 34Grass · Lv 15-19 · 20%
Route 18Grass (morning/day) · Lv 50-56 · 20%
Route 18Grass (night) · Lv 50-56 · 20%
and 3 more areas
Blaze Black 2 & Volt White 2
Castelia SewersSewer · Lv 16-19 · 10%
Pokémon SoothingSilver
Route 3Swarm · Lv ?
Route 13Grass (morning/day) · Lv 43 · 20%
Route 14Grass (morning/day) · Lv 43 · 20%
and 1 more area
Pokémon Definitive Platinum
Route 205Grass · Lv 11 · 10%
Great MarshGrass · Lv 30 · 20%
Rising Ruby & Sinking Sapphire
Route 110Grass · Lv 17
Blaze Black & Volt White
Route 5Grass · Lv — · 10%
Icirrus City, Route 8Puddle · Lv — · 10%
Fire Red Omega
Route 16Grass · Lv —
Route 18Grass · Lv —
HeartGold Generations
Route 36Grass · Lv 13 · 10%
Pokémon Platinum Redux
Route 202Grass · Lv ? · 10%
Power PlantPalmer · Lv ?
Pokémon Emerald Blitz
Route 110Grass · Lv 12-13 · 15%
Pokémon Saiph 2
Podeti Trail (Qendro Front)Water · Lv 20-25 · 4%
Podeti Trail (Qendro Front)Fishing · Lv 10-15 · 40%
Pokémon Project Nova
Route 10Good Rod · Lv 15 · 66%
Celadon SewersOld Rod · Lv 5 · 100%
Celadon SewersGood Rod · Lv 15 · 66%
Pokémon Emerald Rule-ette
Route 110Grass · Lv 12-13 · 15%
Pokémon Mirror Gold
Johto Safari Zone — MarshlandWalk (Morning) · Lv 22
Johto Safari Zone — MarshlandWalk (Night) · Lv 22
and 7 more areas
Pokémon Timeless Diamond & Spaceless Pearl
Route 212 (Southern segment)Walking (Morning) · Lv 29-31 · 15%
Route 212 (Southern segment)Walking (Day) · Lv 29-31 · 15%
Route 212 (Southern segment)Walking (Night) · Lv 29-31 · 15%
and 3 more areas
Pokémon Emerald Seaglass
Route 110Grass · Lv 12-13 · 15%
Victory RoadGrass · Lv 38 · 10%
Emerald Roguenot in the wild in this guide's tables — evolve, trade or battle it
Infinite Fusionnot in the wild in this guide's tables — evolve, trade or battle it
Sword and Shield Ultimate Plusnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon FireRed & LeafGreen+not in the wild in this guide's tables — evolve, trade or battle it
Pokémon Too Many Types 1not in the wild in this guide's tables — evolve, trade or battle it
Pokémon: Wishes of Tomorrownot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Exceedednot in the wild in this guide's tables — evolve, trade or battle it
Pokémon FireRed: Rocket Editionnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Black Pearl Emeraldnot in the wild in this guide's tables — evolve, trade or battle it
Pokémon Overcomplicatednot in the wild in this guide's tables — evolve, trade or battle it

Compare official Gulpin with the ROM hacks →

In the 50 guides that include it

Changed in 42 of 50 guides: retyped in 5, stats in 9, abilities in 23, evolution in 34.

Every ROM hack on this site that has Gulpin, and what it did to it. Guides that changed something are first. Click one for that version's full page — locations, moveset and TMs.

GuideTypeTotalAbilities
Unbound
Evolves into Swalot at level 26
ChangedPoison302Gooey, Sticky Hold, Gluttony
+ Gooey − Liquid Ooze
Pokémon Too Many Types 2ChangedPoison→PoisonDeez Nuts302—
Pokémon Heart & Soul
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Infinite Fusion
Evolves into: Swalot (Level 26)
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Pokémon R.O.W.E
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Slimy, Gooey
+ Slimy, Gooey
Sword and Shield Ultimate Plus
Evolves into Swalot — Level 26
ChangedPoison302Liquid Ooze, Sticky Hold
− Gluttony
Radical Red
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Elite Redux
Evolves into Swalot at level 26
ChangedPoison342 +40
+10 Attack, +10 Defense, +10 Sp. Atk, +10 Sp. Def
Liquid Ooze, Pickup, Gooey
Pokémon Emerald Kaizo
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold
− Gluttony
Inclement Emerald
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Renegade PlatinumChangedPoison302Liquid Ooze, Sticky Hold
− Gluttony
Pokémon Odyssey II: Heroes of Lemuria
Evolves at Lv. 25
ChangedPoison→PoisonWater305 +3
-3 Attack, +2 Defense, +2 Sp. Atk, +2 Sp. Def
Filter, Water Absorb
+ Filter, Water Absorb − Liquid Ooze, Sticky Hold, Gluttony
Pokémon FireRed & LeafGreen+
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold
− Gluttony
Pokemon Modern Emerald
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold
Pokémon Crippling Medical Debt Edition
Evolves into Swalot at Level 26
Changed0 -302
-70 HP, -43 Attack, -53 Defense, -43 Sp. Atk, -53 Sp. Def, -40 Speed
—
Blinding White Plus
Evolves at Level 26
ChangedPoison302Liquid Ooze, Gluttony
− Sticky Hold
Pokémon Valiant
Evolves into Swalot at level 26
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Pokémon Too Many Types 1ChangedPoison→Deez Nuts302—
Pokémon Emerald Imperium
Evolves into Swalot at level 26
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Pokémon Platinum Kaizo
Evolves into Swalot at Lv. 26
ChangedPoison302Gluttony
− Liquid Ooze, Sticky Hold
Pokémon: Wishes of Tomorrow
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Pokémon Exceeded
Evolves into Swalot at level 26
ChangedPoison302Devourer, Sticky Hold, Poison Absorb
Pokémon Hoenn's Last Wish
Evolves into Swalot at Level 26
ChangedPoison→Fire302
-10 Attack, +20 Sp. Atk, -10 Speed
Flash Fire, Flame Body, Gluttony
+ Flash Fire, Flame Body − Liquid Ooze, Sticky Hold
Low Budget Crystal
Evolves into Swalot at level 26
ChangedPoison302Regeneration
+ Regeneration − Liquid Ooze, Sticky Hold, Gluttony
Pokémon Emerald Squared
Evolves into Swalot at level 26
ChangedPoison320 +18
+10 HP, +5 Attack, +3 Sp. Def
Liquid Ooze, Sticky Hold, Oblivious
+ Oblivious − Gluttony
Pokémon FireRed Reignited & LeafGreen Regrown
Evolves into Swalot at Level 26
ChangedPoison317 +15
+15 HP
Liquid Ooze, Sticky Hold
− Gluttony
Sacred Gold & Storm SilverChangedPoison302Liquid Ooze, Sticky Hold
− Gluttony
Pokémon SoothingSilver
Evolves into Swalot at Lv. 26
ChangedPoison302Liquid Ooze, Sticky Hold
− Gluttony
Blaze Black & Volt WhiteChangedPoison302Liquid Ooze, Gluttony, Gluttony
− Sticky Hold
Fire Red OmegaChangedPoison302Liquid Ooze, Sticky Hold
− Gluttony
Pokémon FireRed: Rocket Edition
Evolves into Swalot at Level 26
ChangedPoison302
-3 Sp. Atk, -10 Sp. Def, +13 Speed
Liquid Ooze, Sticky Hold
− Gluttony
HeartGold Generations
Evolves into Swalot — at level 26
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Pokémon Platinum Redux
Evolves at Lv. 24. The documentation gives the level but not what it turns into
ChangedPoison408 +106
+20 HP, +17 Attack, +12 Defense, +25 Sp. Atk, +32 Sp. Def
Poison Point, Liquid Ooze
+ Poison Point − Sticky Hold, Gluttony
Pokémon Emerald Blitz
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Pokémon Saiph 2Changed0 -302
-70 HP, -43 Attack, -53 Defense, -43 Sp. Atk, -53 Sp. Def, -40 Speed
—
Pokémon Black Pearl Emerald
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Pokémon Project Nova
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold
− Gluttony
Pokémon OvercomplicatedChangedPoison→PoisonGym1Shouleil302Seed Sower
Pokémon Emerald Rule-ette
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Pokémon Mirror Gold
Evolves into Swalot — at level 32
ChangedPoison302Liquid Ooze, Sticky Hold
− Gluttony
Pokémon Timeless Diamond & Spaceless Pearl
Evolves into Swalot — Level 26
ChangedPoison302Liquid Ooze, Sticky Hold
− Gluttony
Pokémon Emerald Seaglass
Evolves into Swalot at Level 26
ChangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Emerald RogueUnchangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Blaze Black 2 Redux & Volt White 2 ReduxUnchangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Pokémon GS ChroniclesUnchangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Pokémon Emerald ExUnchangedPoison302—
Pokémon TourmalineUnchanged302—
Blaze Black 2 & Volt White 2UnchangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Pokémon Definitive PlatinumUnchangedPoison302Liquid Ooze, Sticky Hold, Gluttony
Rising Ruby & Sinking SapphireUnchangedPoison302Liquid Ooze, Sticky Hold, Gluttony

Pokédex entries

What each game says about it, in the games' own words.

RubyVirtually all of GULPIN’s body is its stomach. As a result, it can swallow something its own size. This POKéMON’s stomach contains a special fluid that digests anything.
SapphireMost of GULPIN’s body is made up of its stomach - its heart and brain are very small in comparison. This POKéMON’s stomach contains special enzymes that dissolve anything.
EmeraldThis POKéMON’s stomach fluid can even digest scrap iron. In one gulp, it can swallow something that is as large as itself.
FireRed / LeafGreen / YThere is nothing its stomach can’t digest. While it is digesting, vile, overpowering gases are expelled.
Diamond / Pearl / Platinum / Black / White / Black 2 / White 2Almost all its body is its stomach. Its harsh digestive juices quickly dissolve anything it swallows.
HeartGold / SoulSilver / XIt has a small heart and brain. Its stomach comprises most of its body, with enzymes to dissolve anything.
Omega RubyVirtually all of Gulpin’s body is its stomach. As a result, it can swallow something its own size. This Pokémon’s stomach contains a special fluid that digests anything.
Alpha SapphireMost of Gulpin’s body is made up of its stomach—its heart and brain are very small in comparison. This Pokémon’s stomach contains special enzymes that dissolve anything.

Names in other languages

Japaneseゴクリン
Japanese (Rōmaji)Gokulin
GermanSchluppuck
FrenchGloupti
SpanishGulpin
ItalianGulpin
Korean꼴깍몬
Chinese (Simplified)溶食兽
Chinese (Traditional)溶食獸

Official data here is present-day reference data from PokéAPI, not a snapshot of any one game's era — the Fairy type and hidden abilities arrived partway through the series, so a difference against an older game can belong to the series rather than to that ROM hack.