0-0-0 (Doctor Aphra comics)
0-0-0, or simply "Triple-Zero", was a dark silver protocol droid during the reign of the Galactic Empire. He got reactivated shortly after the Battle of Yavin in 0 ABY and was designed to specialise in etiquette, customs, translation and torture. Triple-Zero served Doctor Aphra and Darth Vader during various missions throughout the galaxy. Triple-Zero was often accompanied by his droid friend BT-1 "Beetee".