A term used for a Sith Lord in the Star Wars Saga. When one becomes an apprentice of the Sith, he abandones his original name and takes a Sith name. The title Darth precedes the new name.
Sith Lords from the Star Wars Saga:
1.
Darth Sidious (Master, Ep. I-VI)
2.
Darth Maul (Apprentice, Ep. I)
3. Darth Tyranus (Apprentice, Ep. II-III)
4. Darth Vader (Apprentice, Ep. III-VI)