Koffing
#109 in the Yellow Pokédex • Poison Gas Pokémon
Koffing
#109 in the Yellow Pokédex • Poison Gas Pokémon
Stats
Base stat spread shown as a hex chart and supporting stat bars.
Min
Max
HP
40
190
284
Attack
65
121
251
Defense
95
175
317
Special
60
112
240
Speed
35
67
185
Total
295
Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.
Growth
EV yield, catch rate, and experience details for this Pokémon.
| Pokédexes | Kanto #109 |
|---|---|
| EV yield | 1 Def |
| Catch rate | 190 |
| Base Exp. | 68 |
Eggs
Egg groups, gender ratio, and hatching details for this Pokémon.
| Egg Groups | |
|---|---|
| Gender | 50% male 50% female |
| Egg cycles | 20 (5,120 steps) |
Lore
Version-specific Pokédex entries for this Pokémon.
Pokémon Yellow
In hot places, its internal gases could expand and explode without any warning. Be very careful!
Evolution
Evolution requirements shown in a compact table or chain view.
| Pokémon | Requires | Evolution |
|---|---|---|
 Koffing #109 | Level 35 |  Weezing #110 |
Moves
Moves this Pokémon learns naturally by reaching specific levels.
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Tackle |  |  Physical | 35 | 95 | 35 | |
| Start | Smog |  | Physical | 20 | 70 | 20 | |
| 32 | Sludge | | Physical | 65 | 100 | 20 | |
| 37 | Smokescreen | |  Status | - | 100 | 20 | |
| 40 | Self-Destruct | | Physical | 130 | 100 | 5 | |
| 45 | Haze |  | Status | - | - | 30 | |
| 48 | Explosion | | Physical | 170 | 100 | 5 |
Machines
Moves this Pokémon can learn from Technical Machines and Hidden Machines in Pokémon Yellow.
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| TM06 | Toxic | | Status | - | 85 | 10 | |
| TM20 | Rage | | Physical | 20 | 100 | 20 | |
| TM24 | Thunderbolt |  |  Special | 95 | 100 | 15 | |
| TM25 | Thunder | | Special | 110 | 70 | 10 | |
| TM31 | Mimic | | Status | - | - | 10 | |
| TM32 | Double Team | | Status | - | - | 15 | |
| TM34 | Bide | | Physical | - | - | 10 | |
| TM36 | Self-Destruct | | Physical | 130 | 100 | 5 | |
| TM38 | Fire Blast |  | Special | 110 | 85 | 5 | |
| TM44 | Rest |  | Status | - | - | 5 | |
| TM47 | Explosion | | Physical | 170 | 100 | 5 | |
| TM50 | Substitute | | Status | - | - | 10 |
