Mitochondrial Eve is known as the maternal ancestor of all living human beings. She is the most recent common ancestor and most likely was from NorthEast Africa. She is important because when she was alive before everyone split off to different continents and drastically changed genetically.
The Diversity of the Tribes of Man

Carrie Underwood

Denzel Washington

Massai Herdsman (East Africa)

Israel Kamakawiwo'ole (Hawaii)

Sergio Garcia (Spain)