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The Yeti
The Yeti are a race of robots from the planet of Mondas, who were sent to Earth by the Great Intelligence to conquer it. They resemble the legendary creatures of the Himalayas, but are actually highly advanced machines. The Yeti are strong and dangerous, and they are able to control the minds of humans. They were first encountered by the Doctor and his companions in the 1967 serial "The Abominable Snowmen".