Red/Blue
Where two kinds of poison gases meet, 2 KOFFINGs can fuse into a WEEZING over many years.
Yellow
It lives and grows by absorbing dust, germs and poison gases that are contained in toxic waste and garbage.
Evolution Chain
Level 35
Pokédex & Training Data
Classification
Poison Gas Pokémon
Height
1.2 m (3'11")
Weight
9.5 kg (20.9 lbs)
Abilities
N/A in Gen I
EV Yield
+2 defense
Catch Rate
60
Base Friendship
70
Growth Rate
medium
Pokédex Numbers
Kanto (R/B/Y)
#110
Johto (G/S/C)
#115
Hoenn (R/S/E)
#109
Johto (HG/SS)
#116
Unova (B2/W2)
#047
Hoenn (OR/AS)
#114
Galar (Sw/Sh)
#251
National
#110
Kitakami
#136
Held Items
None in this generation.
Game Locations
Pokemon Mansion 1f
Pokemon Mansion 2f
Pokemon Mansion 3f
Pokemon Mansion B1f
Learned Moves
Level Up Moves
Red/Blue
| Lvl | Name | Class | Power | Acc. | PP | Effect |
|---|---|---|---|---|---|---|
| 1 | Tackle | 40 | 100% | 35 | Inflicts regular damage with no additional effect. | |
| 1 | Smog | 30 | 70% | 20 | Has a 40% chance to poison the target. | |
| 1 | Sludge | 65 | 100% | 20 | Has a 30% chance to poison the target. | |
| 32 | Sludge | 65 | 100% | 20 | Has a 30% chance to poison the target. | |
| 39 | Smokescreen | — | 100% | 20 | Lowers the target’s accuracy by one stage. | |
| 43 | Self Destruct | 200 | 100% | 5 | User faints. | |
| 49 | Haze | — | — | 30 | Resets all Pokémon’s stats, accuracy, and evasion. | |
| 53 | Explosion | 250 | 100% | 5 | User faints. |
Yellow
| Lvl | Name | Class | Power | Acc. | PP | Effect |
|---|---|---|---|---|---|---|
| 1 | Tackle | 40 | 100% | 35 | Inflicts regular damage with no additional effect. | |
| 1 | Smog | 30 | 70% | 20 | Has a 40% chance to poison the target. | |
| 1 | Sludge | 65 | 100% | 20 | Has a 30% chance to poison the target. | |
| 32 | Sludge | 65 | 100% | 20 | Has a 30% chance to poison the target. | |
| 39 | Smokescreen | — | 100% | 20 | Lowers the target’s accuracy by one stage. | |
| 43 | Self Destruct | 200 | 100% | 5 | User faints. | |
| 49 | Haze | — | — | 30 | Resets all Pokémon’s stats, accuracy, and evasion. | |
| 53 | Explosion | 250 | 100% | 5 | User faints. |
TM/HM Moves
Red/BlueYellow
| Name | Class | Power | Acc. | PP | Effect |
|---|---|---|---|---|---|
| TM06 Toxic | — | 90% | 10 | Badly poisons the target, inflicting more damage every turn. | |
| TM15 Hyper Beam | 150 | 90% | 5 | User foregoes its next turn to recharge. | |
| TM20 Rage | 20 | 100% | 20 | If the user is hit after using this move, its Attack rises by one stage. | |
| TM24 Thunderbolt | 90 | 100% | 15 | Has a 10% chance to paralyze the target. | |
| TM25 Thunder | 110 | 70% | 10 | Has a 30% chance to paralyze the target. | |
| TM31 Mimic | — | — | 10 | Copies the target’s last used move. | |
| TM32 Double Team | — | — | 15 | Raises the user’s evasion by one stage. | |
| TM34 Bide | — | — | 10 | User waits for two turns, then hits back for twice the damage it took. | |
| TM36 Self Destruct | 200 | 100% | 5 | User faints. | |
| TM38 Fire Blast | 110 | 85% | 5 | Has a 10% chance to burn the target. | |
| TM44 Rest | — | — | 5 | User sleeps for two turns, completely healing itself. | |
| TM47 Explosion | 250 | 100% | 5 | User faints. | |
| TM50 Substitute | — | — | 10 | Transfers 1/4 of the user’s max HP into a doll, protecting the user from further damage or status changes until it breaks. |
Base Stats
Hp
65
Attack
90
Defense
120
Sp. Atk
85
Sp. Def
70
Speed
60
Total
490
Type Defenses
(vs. Gen 6+ rules)