Gym Challenge·#26·2000
Muk, the Sludge Pokémon, is a notorious Poison-type from the first generation, evolving from Grimer and known for its toxic nature and distinct stench, playing a memorable role in the anime and games. This specific Koga's Muk card from the 2000 Gym Challenge set, a common rarity, stands out with its unique Pokémon Power and direct association with the Kanto Gym Leader Koga. Here, visitors will find detailed Pokédex lore, a breakdown of its 80 HP, Energy Drain power, Sludge Whirlpool attack, energy costs, weakness, and the card's edition history.
Read more ↓Muk, the Sludge Pokémon, is a Poison-type creature known for its putrid stench and toxic touch. Introduced in Generation I, Muk is the evolved form of Grimer, a living pile of sludge that thrives in polluted environments. Muk's body is composed entirely of toxic sludge, allowing it to contort and ooze through tight spaces. It is said that wherever Muk passes, the ground becomes barren and uninhabitable, a testament to its potent toxicity. In the Pokémon games, Muk is often found in industrial areas or places with heavy pollution, reflecting its ecological niche. It played a memorable role in the anime as one of Ash Ketchum's Pokémon, often used for its strong defensive capabilities and surprising speed despite its bulky appearance. Muk’s unique typing makes it resistant to Fighting, Poison, Bug, and Grass-type attacks, but vulnerable to Ground and Psychic moves. Its ability to spread its toxic sludge makes it a formidable opponent in battle, embodying the dangers of environmental pollution in the Pokémon world while also being a loyal (if pungent) companion. Koga's Muk, specifically, highlights the bond between this particular Muk and its trainer, the Poison-type Gym Leader Koga.
Last updated: April 10, 2026
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