
| Catch rate | 60 |
| Base Friendship | 50 (normal) |
| Base Exp | 165 |
| Growth Rate | Fast |
| Egg Groups | Field |
| Gender | 50% male, 50% female |
| Egg cycles | 20 (4,884–5,140 steps) |
| HP | 80 | |
| Attack | 45 | |
| Defense | 65 | |
| Sp. Atk | 90 | |
| Sp. Def | 110 | |
| Speed | 80 | |
| Total | 470 |
| Level | Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|---|
| 1 | Belch | poison | special | 120 | 90 |
| 1 | Splash | normal | status | 0 | — |
| 1 | Teeter Dance | normal | status | 0 | 100 |
| 7 | Confusion | psychic | special | 50 | 100 |
| 10 | Growl | normal | status | 0 | 100 |
| 14 | Psybeam | psychic | special | 65 | 100 |
| 15 | Psych Up | normal | status | 0 | — |
| 18 | Confuse Ray | ghost | status | 0 | 100 |
| 21 | Magic Coat | psychic | status | 0 | — |
| 26 | Zen Headbutt | psychic | physical | 80 | 90 |
| 29 | Power Gem | rock | special | 80 | 100 |
| 35 | Rest | psychic | status | 0 | — |
| 35 | Snore | normal | special | 50 | 100 |
| 42 | Psyshock | psychic | special | 80 | 100 |
| 46 | Payback | dark | physical | 50 | 100 |
| 52 | Psychic | psychic | special | 90 | 100 |
| 60 | Bounce | flying | physical | 85 | 85 |
| Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|
| Teeter Dance | normal | status | 0 | 100 |
| Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|
| Amnesia | psychic | status | 0 | — |
| Extrasensory | psychic | special | 80 | 100 |
| Future Sight | psychic | special | 120 | 100 |
| Mirror Coat | psychic | special | 0 | 100 |
| Simple Beam | normal | status | 0 | 100 |
| Trick | psychic | status | 0 | 100 |
| Whirlwind | normal | status | 0 | — |
| Zen Headbutt | psychic | physical | 80 | 90 |
Grumpig can not have any move tutor moves.
Grumpig can not get any moves from trs.
| English | Grumpig |
|---|---|
| Spanish | Grumpig |
| Italian | Grumpig |
| Japanese | ブーピッグ (Boopig) |
| German | Groink |
| French | Groret |
| Ruby Sapphire | Spoink |
|---|---|
| FireRed LeafGreen | Trade/migrate from another game |
| Emerald | Spoink |
| Diamond Pearl Platinum HeartGold SoulSilver | Spoink |
| Black White | Trade/migrate from another game |
| Black 2 | Reversal Mountain |
| White 2 | Trade/migrate from another game |
| X Y Omega Ruby Alpha Sapphire | Spoink |
| Sun Moon | Trade/migrate from another game |
| Ultra Sun Ultra Moon | Ultra Space Wilds |
| Let's Go Pikachu Let's Go Eevee | Not available in this game |
| Sword Shield | Not available in this game |
| Brilliant Diamond Shining Pearl | Spoink |