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Pikachu

When several of these Pokémon gather, their electricity can build and cause lightning storms.

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Pidgey

A common sight in forests and woods. It flaps its wings at ground level to kick up blinding sand.

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Onix

As it grows, the stone portions of its body harden to become similar to a diamond, though colored black.

Stiffens its ears to sense danger. The larger, more powerful of its horns secretes venom.

Although small, its venomous barbs make this Pokémon dangerous. The female has smaller horns.

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Mankey

Normally friendly, it quickly becomes angry if it doesn't get what it wants.

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Magnemite

Uses anti-gravity to stay suspended. Appears without warning and uses attacks like Thunder Wave.

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Machop

It's said that not even pro wrestlers can take down a Machop.

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Grimer

Appears in filthy areas. Thrives by sucking up polluted sludge that is pumped out of factories.

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Geodude

Found in fields and mountains. Mistaking them for boulders, people often step or trip on them.

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Gastly

A mysterious Pokémon. Some say it is a lifeform from another dimension, while others believe it is formed from smog.

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Exeggcute

Often mistaken for eggs. When disturbed, they quickly gather and attack in swarms.