Which Pokémon does this describe?

This calm Pokémon is very compassionate. It will share its delicious, nutrient-rich oil with weakened Pokémon.

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After birth, its back swells and hardens into a shell. It sprays a potent foam from its mouth.

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Its transformation ability is perfect. However, if made to laugh, it can’t maintain its disguise.

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Males swing their head plumage to threatenopponents. The females' flying abilities surpassthose of the males.

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Using luminescent matter, it makes its eyes andbody glow and stuns attacking opponents.

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The spirit of a person from a bygone age became this Pokémon. It rambles through ruins, searching for someone who knows its face.

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It is at its best when on muddy ground that offers poor footing. It quickly overwhelms opponents that are bogged down and unable to move.

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It emits high-frequency cries that people can't hear. Once it starts, it can cry for an awfully long time.

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It’s highly skilled at a fighting style in which it uses its jumping capabilities to dodge incoming attacks while also dealing damage to opponents.

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Although its fur has many admirers, it is tough to raise as a pet because of its fickle meanness.

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