Answer · verified 2026-09-28

Koffing FAQ · type, weaknesses, evolution, stats

TL;DR. Koffing (#0109) is a poison-type Pokémon from Generation 1 (Kanto). The Poison Gas Pokémon. Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning.

Koffing
Poison

Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning.

Pokédex #0109 Gen 1 · Kanto Poison Gas Pokémon

What type is Koffing?

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

What is Koffing weak to?

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

What is Koffing resistant to?

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

How does Koffing evolve?

Koffing evolves into Weezing (Level 35) or Galarian Weezing (Level 35 in Galar (yields Galarian Weezing)).

What generation is Koffing from?

Koffing was introduced in Generation I (the Kanto region). Its Pokédex number is #0109.

What are Koffing's base stats?

Koffing has HP 40, Attack 65, Defense 95, Special Attack 60, Special Defense 45, and Speed 35. Total base stat total: 340.

What are Koffing's abilities?

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

Is Koffing legendary or mythical?

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