|Abilities||Stentch, Sticky Hold, Poison Touch (Hidden)|
|Episode First Shown in||Sparks fly For Magnemite|
|First Known Owner||Ash Ketchum|
|First Game Appeared in|
|National Dex Number||#089|
Muk is the Sluge Pokemon. It is the evolved form of Grimer.
Muk looks very similar to its previous form, Grimer. The main differences are that Muk is much larger, and has a wider mouth and smaller eyes. It is usually shown with its left arm being much longer than its right arm.
- Aviadro's Muk appeared in Rivaling Love!
- Koga's Muk appeared in Koga's Ninja Training!
- Aviadro's Muk made its first appearance in Feasting For Battle!.
- Gus's Muk appeared in Hijacking The Hijackers!
- A Biker's Muk appeared in Vs. Hypno.
- A trainer's Muk appeared in Vs. Arcanine.
- Petrel's Muk appeared in Vs. Muk and Vs. Mewtwo 1.
- A coordinator's Muk appeared in Vs. Kanto Grand Festival.
- Poison Gas
- Mud Bomb
- Sludge Bomb
- Sludge Wave
- Acid Armor
- Gunk Shot