Blight (「エキビョウ」)

Origin: Okami (2006)

Type of Villain: Demon

Goal: To poison the Capital and exterminate its people

Description

Blight is a microscopic demon resembling a floating set of samurai armor surrounded by a green miasma and pierced with countless swords and arrows. Blight is actually a tsukumogami, a spirit formed from a cursed sword. Goldnail, the bloodstained sword, is the actual demon, possessing the armor. Blight moves at incredible speeds, requiring divine powers just to spot his movements.

"Goldnail, the mighty sword, cries out for your blood! Come! Step forward so that I, the indomitable Blight, may cut you down!"

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Gold Demon Lechku and Silver Demon Nechku (「モシレチクとコタネチク )

Origin: Okami (2006)
Type of Villain: Demon
Goal: To freeze the Oina tribe to death and cover the land in ice

Description
The twin devils Lechku and Nechku are a pair of Great Demons that were originally mechanical statues, but were brought to life by dark energies. They resemble owls dressed in western attire with clockwork mechanisms within their bodies. The pair work in tandem to dispatch foes, with Lechku temporarily freezing the passage of time, and Nechku impaling the frozen enemy with his cane. The pair are feared by the Oina tribe, with their names being forbidden to utter without purpose, and any pictures or paintings of the twin devils destroyed. Lechku represents the day, while Nechku represents the night, while both are interpreted to be a representation of how the people of Japan view western people.

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Demon Lord Ninetails ( きゅうび)

Origin: Okami (2006)
Type of Villain: Demon
Goal: To rule Nippon as a god

Description
Ninetails is the powerful ruler of Oni Island, a kitsune with nine tails. Kitsune are fox demons that grow a tail for every 1000 years lived, Ninetails is one of the most powerful of their kind, and has been granted the title of Demon Lord. Using shape-shifting powers, Ninetails murdered the queen's pristess to take her place. With the queen's guard down, Ninetails struck, leaving the monarch in a lake of her own blood. The Demon Lord retreated to Oni Island, content with himself as he planned his next move.

"You needn't have come all this way just for me to kill you."

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Orochi (「ヤマタノオロチ」)

Origin: Okami (2006)

Type of Villain: Demon/Godlike Being

Goal: To become king of the underworld

Description

The 8 headed serpent, Orochi is a Great Demon with necks as thicker than tree trunks and a mountain for a body. Orochi's 8 heads all represent certain elements in nature, with the corresponding head wielding the element's power. Fire, lightning, water, light, darkness, poison, earth, and wind. The head representing fire is the dominant head, speaking for the whole demon and possessing the greatest intelligence. Orochi demands sacrifices from the nearby village, choosing young maidens to devour. The beast was eventually slain by the great hero Nagi, who sealed the Demon's soul away with his sword. 100 years later, the seal has been broken, and Orochi demands more blood to sate its endless hunger.

"Seal our blood pact!"

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DJ Octavio

Origin: Splatoon (2015)
Type of Villain: Corrupt Royalty
Goal: To create sick beats and destroy Inklings

Description
The king of the Octarians, Octavio is responsible for the events leading up to Splatoon's Hero Mode Campaign, and serves as its final boss. Piloting a giant mech, Octavio creates sick beats and launches rockets to destroy you, often  missing due to their slow speed. In the end, he is defeated by the player and contained within a fishbowl shaped prison for his crimes.

"I'ma remix your face!"

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Nightmare Moon

Origin: My Little Pony Friendship is Magic (S1 Ep1)
Voice Actor: Tabitha St. Germain
Type of Villain: Godlike Being/Corrupt Royalty
Goal: To establish an eternal night

Description
In the land of Equestria, two sisters ruled the land as equals. Celestia the elder sister, controlled the day, while Luna the younger sister ruled over the night. However, their subjects played and worked during the day, while they slept through Luna's night. Years of loneliness and spite transformed Luna into a dark entity known as Nightmare Moon. The Nightmare attempted to overthrow Celestia and very nearly succeeded. Using the power of the Elements of Harmony, Celestia reluctantly banished her sister to the moon for a millennia.

"The night shall last forever!"

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