Question: where did the name darth vader come from

title: Darth Vader
text: Anakin is Obi - Wan 's Padawan apprentice in Star Wars : Episode II -- Attack of the Clones , which takes place 10 years after The Phantom Menace . Having rescued Padmé , who is now a senator , from an assassination attempt , Anakin travels with her to Naboo , where they fall in love . Sensing that Shmi is in pain , Anakin travels to Tatooine to rescue her . While there , Anakin learns she was kidnapped by the hostile Tusken Raiders , native to Tatooine . Anakin locates Shmi at the Tusken campsite , where she dies in his arms . Anakin , enraged , massacres the Tuskens and returns to the Lars homestead to bury Shmi . Anakin travels with Padmé to Geonosis to rescue Obi - Wan from Sith Lord Count Dooku , Qui - Gon 's old master and leader of the Separatists , a conspiracy of star systems bent on seceding from the Galactic Republic . Dooku captures them , however , and sentences them to death . However , a cadre of Jedi arrives with the Kaminoan clone army to halt their executions . Obi - Wan and Anakin confront Dooku during the ensuing battle , but the Sith Lord beats them both in a lightsaber duel and severs Anakin 's arm . Master Yoda intervenes and rescues the Jedi . By the end of the film , Anakin is fitted with a robotic arm and marries Padmé in secret .