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No. 0110 · Generation I · Kanto

Weezing

The Poison Gas Pokémon

TL;DR. Weezing is a pure poison-type Pokémon from Generation I. Base Stat Total: 490. Where two kinds of poison gases meet, 2 KOFFINGs can fuse into a WEEZING over many years.

Poison

Where two kinds of poison gases meet, 2 KOFFINGs can fuse into a WEEZING over many years.

Height1.2 m

Weight9.5 kg

AbilitiesLevitate, Neutralizing Gas

HiddenStench

Base stats

Stat spread.

Total of 490. Higher peaks mean specialized roles, flat spreads favor versatility.

HP 65

Attack 90

Defense 120

Sp. Attack 85

Sp. Defense 70

Speed 60

Total490

490 base stat total, the 338th-highest of all 1025 Pokémon species and 25th among Poison-types.

120 base Defense, Weezing's strongest stat, ranking 3rd of 83 Poison-types.

Rankings computed across all 1025 base-species Pokémon (Mega and Gigantamax forms excluded). Source: National Pokédex base stats.

Pokémon GO

Weezing in Pokémon GO.

Pokémon GO uses its own hand-tuned base stats, distinct from the main-series spread above. At a perfect 15/15/15, Weezing reaches 2,293 CP at level 40 and 2,623 CP as a best buddy.

GO Attack174

GO Defense197

GO Stamina163

Max CP (L40)2,293

Max CP (L50)2,592

Best buddy (L51)2,623

Raid catch CP 1,242–1,310 (L20). Weather boosted 1,553–1,637 (L25).

Run the numbers: CP & HP calculator · PvP IV optimizer · Catch CP calculator

Competitive

Weezing in competitive play.

Weezing is a Generation 9 NU-tier pick in Smogon singles. In Pokémon GO it ranks #491 in the Great League.

Physical Wall

Sludge Bomb / Flamethrower / Taunt / Pain Split

ItemRocky Helmet
NatureBold
EVs252 HP / 212 Def / 44 Spe
TeraSteel

Pokémon GO Battle League

Great League #491 77.4 score

Ultra League #299 80.3 score

Build around it: GO PvP IV optimizer · Team builder · Ask Dia

Movesets via Smogon, GO ranks via PvPoke. Updated 2026-06-01.

Quick answers

Common questions about Weezing.

Direct, sourced answers to the most-asked questions about Weezing, each computed straight from its Pokédex data.

What type is Weezing?

Weezing is a pure Poison-type Pokémon. It has a single typing, which means a simpler matchup chart but also fewer resistances.

What is Weezing weak to?

Weezing takes 2× damage from Ground, Psychic. It has no 4× weaknesses.

What is Weezing resistant to?

Weezing resists Grass, Fighting, Poison, Bug, Fairy. It has no full immunities.

How does Weezing evolve?

Weezing evolves from Koffing (Level 35). Weezing is the final form of its evolution line.

What generation is Weezing from?

Weezing was introduced in Generation I (the Kanto region). Its Pokédex number is #0110.

What are Weezing's base stats?

Weezing has HP 65, Attack 90, Defense 120, Special Attack 85, Special Defense 70, and Speed 60. Total base stat total: 490.

What are Weezing's abilities?

Weezing can have the abilities Levitate, Neutralizing Gas, plus the Hidden Ability Stench.

Is Weezing legendary or mythical?

No. Weezing is a regular Pokémon, not classified as Legendary or Mythical.

What is Weezing's best stat?

Weezing's highest base stat is Defense at 120, which ranks 3rd of 83 Poison-type Pokémon.

Is Weezing good?

Weezing has a base stat total of 490, the 338th-highest of all 1025 Pokémon species and 25th among Poison-types. That is a modest total, typical of an unevolved or utility Pokémon.

See the full Q&A page for Weezing →

Alternate forms