Grimer is a pure poison-type from the Kanto region in the first generation. It is part of the original 151 with its number being 88. Also known as the Sludge Pokemon, it is best known for living in sewers among the muck and other toxic waste. Its slimy body can fit through any slim space. Grimer, along with its evolved form, Muk, has an Alolan form that gives it a secondary dark-typing.
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