weezing
Generation I · #0110 — Poison Gas Pokémon
Weezing, known as the Poison Gas Pokémon, is a Poison-type Pokémon that stands as the evolved form of Koffing, one of the original 151 Pokémon introduced in Generation I. With a National Pokédex number of #110, Weezing represents a fascinating study in dual-body symbiosis within the Pokémon world. According to Pokédex lore, Weezing forms when two distinct kinds of poison gases meet, causing two Koffing to fuse together over many years into a single entity with dual spherical heads. This unique composition grants Weezing remarkable abilities, as it constantly circulates and mixes its internal toxins through alternating inflation and deflation of its twin bodies. The more its poisonous gases are mixed together, the more potent the toxins become, making Weezing a progressively more dangerous Pokémon as it matures.
Base Stats
Height
1.2m
Weight
9.5kg
Category
Poison Gas Pokémon
Gender
Male 50% / Female 50%
Color
purple
Shape
heads
Habitat
urban
Abilities
Evades ground moves.
Neutralizes abilities of all Pokémon in battle.
Has a 10% chance of making target Pokémon flinch with each hit.
Weezing Biology & Physical Characteristics
Weezing's distinctive physiology consists of two spherical heads of different sizes connected by a thin tube with a central sphere, all rendered in a deep purple coloration. The larger left head features prominent eyebrows, pointed teeth protruding from its lower jaw, and two flat upper teeth, while the smaller right head displays a simpler design with just two pointed teeth at the corners of its mouth. This asymmetrical design perfectly reflects its biological nature as a fused entity of two separate organisms. The Pokémon's body structure enables its signature characteristic: the ability to alternately shrink and inflate its twin bodies to deliberately mix toxic gases within, a process that increases the potency of its internal poison over time. Its composition primarily consists of noxious gases contained within membranous skin, allowing it to be lighter than one might expect at only 9.5 kilograms despite its 1.2-meter height. The structural integrity of Weezing demonstrates remarkable adaptation to its toxic nature, with its form perfectly suited for the absorption and production of poisonous compounds.
Pokedex Numbers
Training
Breeding
Weezing Breeding, Gender Ratio & Egg Groups
Weezing exhibits a perfectly balanced gender ratio of 50% male and 50% female, allowing for consistent breeding opportunities in both directions. The species belongs to the Amorphous egg group, a classification shared with other gaseous and gelatinous Pokémon, indicating that despite its unusual composition, Weezing possesses reproductive biology sufficient for controlled breeding in captivity. Eggs produced by Weezing hatch after 20 cycles, equivalent to approximately 4,884 to 5,140 steps of travel, marking a relatively standard hatching timeframe for Generation I Pokémon. The base happiness value of 70 indicates that Weezing maintains reasonable rapport with trainers, though it requires some effort to achieve maximum affection compared to more naturally docile species. When breeding Weezing, trainers should note that offspring will emerge as Koffing rather than Weezing, requiring the standard level 35 evolution trigger to achieve the dual-headed form. The breeding mechanics allow for the perpetuation of Weezing's lineage while maintaining biological consistency with its pre-evolution, making it a viable option for long-term team building and competitive breeding projects.
Held Items
Sprites
Held Items
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
smoke-ball
held-items
Held: Allows the Holder to escape from any wild battle.
Cost: 4000
TMs & HMs
tm01
lets go pikachu lets go eevee
tm02
crystal
tm02
gold silver
tm02
lets go pikachu lets go eevee
tm03
crystal
tm03
gold silver
tm04
gold silver
tm04
crystal
tm05
lets go pikachu lets go eevee
tm06
yellow
tm06
gold silver
tm06
red blue
tm06
crystal
tm06
emerald
tm06
firered leafgreen
tm06
diamond pearl
tm06
platinum
tm06
ruby sapphire
tm06
colosseum
tm06
black 2 white 2
+647 more TMs/HMs
Weezing Evolution, Mega Evolution & Special Forms
Weezing evolves from Koffing starting at level 35, representing a natural progression in the Koffing evolutionary line. This evolution marks a significant transformation, as the single Koffing becomes fused with another into the dual-headed Weezing form. The evolution process itself reflects the lore of the Pokédex, where two separate Koffing entities merge together over extended exposure to compatible poison gases, ultimately achieving the unified Weezing state. In addition to its standard form, Weezing gained a regional variant in the Galar region introduced in Pokémon Sword and Shield, transforming it into a Poison/Fairy-type Pokémon with a notably larger stature of 3.0 meters. The Galarian Weezing form features a distinctly different appearance and ability set, including access to the Misty Surge hidden ability, though it maintains the same evolutionary requirement of level 35 from Koffing. All Koffing encountered in the Galar region evolve into the Galarian form regardless of their origin, making it a region-specific transformation rather than a form choice.
Where to Find
pokemon mansion
kanto
+25 more
burned tower
johto
stark mountain
sinnoh
+8 more
sinnoh route 227
sinnoh
johto safari zone
johto
+9 more
p2 laboratory
unova
+3 more
power plant
kanto
Weezing Behaviour and Natural Habitat
Weezing exhibits a particular fondness for environments filled with toxic waste and garbage, where it actively seeks out and absorbs dust, germs, and poison gases that accumulate in refuse and decomposing matter. According to Pokédex accounts, Weezing loves the gases emitted by rotted kitchen garbage and will deliberately find dirty, unkempt houses to inhabit, using them as permanent residences. During the night hours when human inhabitants sleep, Weezing engages in nocturnal exploration of household trash, both feeding on the toxic gases present and potentially depositing its own waste materials. The constant inhalation of poisonous gases from garbage causes Weezing's body to expand noticeably, and the internal odor becomes increasingly foul with each exposure. Interestingly, Weezing's poison gases have found practical human application; top-grade perfume manufacturers have discovered methods to utilize Weezing's internal toxins by diluting them to extremely high levels, suggesting that beneath the repugnant exterior lies chemistry of remarkable complexity and potential value.
Pokedex Entries
Where two kinds of poison gases meet, 2 KOFFINGs can fuse into a WEEZING over many years.
It lives and grows by absorbing dust, germs and poison gases that are contained in toxic waste and garbage.
If one of the twin KOFFING inflates, the other one deflates. It con stantly mixes its poisonous gases.
Top-grade perfume is made using its internal poison gases by diluting them to the high est level.
When it inhales poisonous gases from garbage, its body expands, and its insides smell much worse.
WEEZING loves the gases given off by rotted kitchen garbage. This POKéMON will find a dirty, unkempt house and make it its home. At night, when the people in the house are asleep, it will go through the trash.
WEEZING alternately shrinks and inflates its twin bodies to mix together toxic gases inside. The more the gases are mixed, the more powerful the toxins become. The POKéMON also becomes more putrid.
By diluting its toxic gases with a special process, the highest grade of perfume can be extracted. To WEEZING, gases emanating from garbage are the ultimate feast.
Very rarely, a sudden mutation can result in two small KOFFING twins becoming conjoined as a WEEZING.
Where two kinds of poison gases meet, two KOFFING can fuse into a WEEZING over many years.
It grows by feeding on gases released by garbage. Though very rare, triplets have been found.
If one of the twin KOFFING inflates, the other one deflates. It constantly mixes its poisonous gases.
Top-grade perfume is made using its internal poison gases by diluting them to the highest level.
It grows by feeding on gases released by garbage. Though very rare, triplets have been found.
Inhaling toxic fumes from trash and mixing them inside its body lets it spread an even fouler stench.
If one of the twin Koffing inflates, the other one deflates. It constantly mixes its poisonous gases.
Very rarely, a sudden mutation can result in two small Koffing twins becoming conjoined as a Weezing.
Weezing loves the gases given off by rotted kitchen garbage. This Pokémon will find a dirty, unkempt house and make it its home. At night, when the people in the house are asleep, it will go through the trash.
Weezing alternately shrinks and inflates its twin bodies to mix together toxic gases inside. The more the gases are mixed, the more powerful the toxins become. The Pokémon also becomes more putrid.
This Pokémon lives and grows by absorbing poison gas, dust, and germs that exist inside garbage.
It mixes gases between its two bodies. It’s said that these Pokémon were seen all over the Galar region back in the day.
It can’t suck in air quite as well as a Galarian Weezing, but the toxins it creates are more potent than those of its counterpart.
Weezing Name Origin & Design Inspiration
The name Weezing derives from the English word 'wheeze,' an onomatopoeia representing the labored, wheezing breathing sound produced by asthmatic individuals or those breathing noxious fumes, perfectly capturing the essence of a Pokémon composed entirely of toxic gases. The Japanese name Matadogas combines elements suggesting the fusion of two entities into a single organism, reflecting its biological nature as two merged Koffing. The design itself evokes the appearance of a chemical distillation apparatus or laboratory equipment, with the two spheres connected by a central tube resembling laboratory glassware used for gas mixing and reaction. This industrial aesthetic complements Weezing's attraction to garbage and toxic waste, positioning it as a creature born from human pollution and industrial excess. The asymmetrical twin heads serve both functional and symbolic purposes: functionally, they allow for the continuous mixing of different poison gases, while symbolically they represent the merger of two distinct entities into a singular consciousness, a biological impossibility made possible only in the Pokémon universe.
Learnable Moves
Weezing can learn 77 moves:
Move | Type | Cat. | Power | Acc. | PP |
|---|---|---|---|---|---|
| acid spray | poison | Special | 40 | 100 | 20 |
| assurance | dark | Physical | 60 | 100 | 10 |
| attract | normal | Status | — | 100 | 15 |
| belch | poison | Special | 120 | 90 | 10 |
| bide | normal | Physical | — | — | 10 |
| body slam | normal | Physical | 85 | 100 | 15 |
| captivate | normal | Status | — | 100 | 20 |
| clear smog | poison | Special | 50 | — | 15 |
| confide | normal | Status | — | — | 20 |
| corrosive gas | poison | Status | — | 100 | 40 |
| curse | ghost | Status | — | — | 10 |
| dark pulse | dark | Special | 80 | 100 | 15 |
| destiny bond | ghost | Status | — | — | 5 |
| double hit | normal | Physical | 35 | 90 | 10 |
| double team | normal | Status | — | — | 15 |
| endure | normal | Status | — | — | 10 |
| explosion | normal | Physical | 250 | 100 | 5 |
| facade | normal | Physical | 70 | 100 | 20 |
| fire blast | fire | Special | 110 | 85 | 5 |
| flamethrower | fire | Special | 90 | 100 | 15 |
| flash | normal | Status | — | 100 | 20 |
| frustration | normal | Physical | — | 100 | 20 |
| giga impact | normal | Physical | 150 | 90 | 5 |
| gunk shot | poison | Physical | 120 | 80 | 5 |
| gyro ball | steel | Physical | — | 100 | 5 |
| haze | ice | Status | — | — | 30 |
| headbutt | normal | Physical | 70 | 100 | 15 |
| heat wave | fire | Special | 95 | 90 | 10 |
| hidden power | normal | Special | 60 | 100 | 15 |
| hyper beam | normal | Special | 150 | 90 | 5 |
| incinerate | fire | Special | 60 | 100 | 15 |
| infestation | bug | Special | 20 | 100 | 20 |
| memento | dark | Status | — | 100 | 10 |
| mimic | normal | Status | — | — | 10 |
| pain split | normal | Status | — | — | 20 |
| payback | dark | Physical | 50 | 100 | 10 |
| poison gas | poison | Status | — | 90 | 40 |
| protect | normal | Status | — | — | 10 |
| psybeam | psychic | Special | 65 | 100 | 20 |
| rage | normal | Physical | 20 | 100 | 20 |
| rain dance | water | Status | — | — | 5 |
| rest | psychic | Status | — | — | 5 |
| return | normal | Physical | — | 100 | 20 |
| rollout | rock | Physical | 30 | 90 | 20 |
| round | normal | Special | 60 | 100 | 15 |
| scary face | normal | Status | — | 100 | 10 |
| screech | normal | Status | — | 85 | 40 |
| secret power | normal | Physical | 70 | 100 | 20 |
| self destruct | normal | Physical | 200 | 100 | 5 |
| shadow ball | ghost | Special | 80 | 100 | 15 |
| shock wave | electric | Special | 60 | — | 20 |
| sleep talk | normal | Status | — | — | 10 |
| sludge | poison | Special | 65 | 100 | 20 |
| sludge bomb | poison | Special | 90 | 100 | 10 |
| sludge wave | poison | Special | 95 | 100 | 10 |
| smog | poison | Special | 30 | 70 | 20 |
| smokescreen | normal | Status | — | 100 | 20 |
| snore | normal | Special | 50 | 100 | 15 |
| spite | ghost | Status | — | 100 | 10 |
| substitute | normal | Status | — | — | 10 |
| sunny day | fire | Status | — | — | 5 |
| swagger | normal | Status | — | 85 | 15 |
| tackle | normal | Physical | 40 | 100 | 35 |
| take down | normal | Physical | 90 | 85 | 20 |
| taunt | dark | Status | — | 100 | 20 |
| tera blast | normal | Special | 80 | 100 | 10 |
| thief | dark | Physical | 60 | 100 | 25 |
| thunder | electric | Special | 110 | 70 | 10 |
| thunderbolt | electric | Special | 90 | 100 | 15 |
| torment | dark | Status | — | 100 | 15 |
| toxic | poison | Status | — | 90 | 10 |
| toxic spikes | poison | Status | — | — | 20 |
| uproar | normal | Special | 90 | 100 | 10 |
| venom drench | poison | Status | — | 100 | 20 |
| venoshock | poison | Special | 65 | 100 | 10 |
| will o wisp | fire | Status | — | 85 | 15 |
| zap cannon | electric | Special | 120 | 50 | 5 |
Weezing Competitive Battle Guide
In competitive Pokémon battles, Weezing distinguishes itself primarily through its exceptional Defense stat of 120, making it one of the bulkier Poison-types available in Generation I frameworks. Its physical bulk is further supported by a respectable HP value of 65 and reasonable special defense of 70, creating a defensive profile that allows it to survive multiple hits from physical attackers. The Attack stat of 90 provides adequate offensive capability for physical moves, though the Special Attack of only 85 limits its special move effectiveness. Speed represents Weezing's primary weakness at 60, leaving it vulnerable to faster opponents and relegating it to a role requiring support or defensive play rather than offensive sweep strategies. The signature ability Levitate provides crucial utility by granting immunity to ground-type moves, one of the most prevalent offensive types in competitive play, effectively eliminating a major weakness that poison-types typically face. The alternative ability Neutralizing Gas, introduced in later generations, offers an entirely different competitive angle by suppressing the abilities of all Pokémon currently in battle, allowing Weezing to neutralize dangerous passive abilities like Intimidate or Regenerator. The hidden ability Stench provides a 10% chance to force flinching with each hit, though this probability proves unreliable for tournament-level competitive play. Weezing's movepool includes reliable coverage options such as Sludge Bomb, Thunderbolt, and Will-O-Wisp, enabling it to function as a defensive pivot or specially defensive wall in team structures.
Commonly Asked Questions About Weezing
What type is Weezing?
Weezing is a poison type Pokemon.
What does Weezing evolve from?
Weezing evolved from koffing.
What are Weezing's weaknesses?
Weezing is weak to ground and psychic type moves.
Where can I find Weezing?
Weezing can be found in pokemon mansion (kanto), burned tower (johto) and stark mountain (sinnoh) and 4 other locations.
Weezing Cultural Impact & Franchise History
Weezing achieved significant cultural prominence through its prominent appearance in the Pokémon anime series, particularly as James's iconic Pokémon throughout the original series run. James's Weezing evolved from his Koffing during critical moments in the narrative and became one of the most recognizable Pokémon associated with the Team Rocket antagonist, appearing in countless episodes and special events. The design's grotesque yet endearing quality captured audiences' imaginations, making Weezing a memorable fixture in Pokémon media across multiple generations of fans. Its appearance in Super Smash Bros. Melee and Super Smash Bros. Ultimate as both a Pokéball summon and trophy solidified its place in broader gaming culture beyond the Pokémon franchise proper. The species has maintained consistent representation in trading card games, competitive Pokémon tournaments, and merchandise offerings throughout the franchise's three-decade history. Weezing's unusual dual-body design has inspired fan art, creative interpretations, and theoretical discussions about symbiotic relationships and fusion mechanics within the broader Pokémon universe. The introduction of Galarian Weezing in later generations reignited interest in the species, demonstrating its enduring appeal and capacity for reinvention within the franchise's evolving frameworks.
Where to Find Weezing in Every Pokémon Game
Weezing appears across virtually every generation of Pokémon games since its introduction in Generation I, though specific availability varies significantly by game and region. In the original Red, Blue, and Yellow versions, Weezing was available as a wild encounter after evolving Koffing, making it accessible relatively early in gameplay. Subsequent generations maintained Weezing's availability through various methods including wild encounters in toxic or industrial areas, breeding from Koffing, or trading with other trainers who possessed the species. The Let's Go Pikachu and Let's Go Eevee remakes of Generation I included Weezing in their Pokédex with updated availability mechanics, though it remained obtainable through standard progression. In Pokémon Sword and Shield, both the standard form and the new Galarian regional variant became available, with the Galarian form being particularly abundant in appropriate environmental zones. The species maintains a respectable capture rate of 60, making it moderately challenging but not impossible to catch in the wild, requiring persistence and preparation rather than exceptional skill or rare items. Weezing's consistent representation across generations ensures that dedicated trainers can reliably acquire and utilize the species in their teams regardless of which generation they choose to play, making it a staple option for poison-type specialists and casual players alike.