A Nightbrother was a member of a tribal group of Zabrak men subservient to the Nightsisters. They lived in a village on the far side of the planet Dathomir. The Sith Lord Darth Maul was a member of the Nightbrothers before being taken by Darth Sidious to be trained as his apprentice. During the Clone Wars, the Nightsisters trained Maul's kin, Savage Opress, to be Asajj Ventress' replacement as Count Dooku's apprentice. The full-body tattoos covering many Zabrak men are considered to be the traditional markings of a warrior.