Answer · verified 2026-09-27

Muk FAQ · type, weaknesses, evolution, stats

TL;DR. Muk (#0089) is a poison-type Pokémon from Generation 1 (Kanto). The Sludge Pokémon. Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.

Muk
Poison

Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.

Pokédex #0089 Gen 1 · Kanto Sludge Pokémon

What type is Muk?

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

What is Muk weak to?

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

What is Muk resistant to?

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

How does Muk evolve?

Muk evolves from Grimer (Level 38). Muk is the final form of its evolution line.

What generation is Muk from?

Muk was introduced in Generation I (the Kanto region). Its Pokédex number is #0089.

What are Muk's base stats?

Muk has HP 105, Attack 105, Defense 75, Special Attack 65, Special Defense 100, and Speed 50. Total base stat total: 500.

What are Muk's abilities?

Muk can have the abilities Stench, Sticky Hold, plus the Hidden Ability Poison Touch.

Is Muk legendary or mythical?

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