European Bigfoot? Neanderthal legends?

Artist’s depiction of a basajaun and its female companion, a basandere.

In Basque mythology, Basajaun (plural: basajaunak) is a huge, hairy hominid dwelling in the woods. They were thought to build megaliths, protect flocks of livestock, and teach skills such as agriculture and ironworking to humans. ^{—- Wikipedia}