They are closely related to the Yeti.

It is a tall, large, hairy, humanoid creature, covered with thick brownish hair and no clothing. Sasquatch have large eyes, a pronounced brow ridge, and a large, low-set forehead; the top of the head has been described as rounded and crested, similar to the sagittal crest of the male gorilla. They are known to have a strong, unpleasant smell around them.