Protocol droid/Legends

"I'm not much more than an interpreter, and not very good at telling stories."

- C-3PO

Protocol droids were a type of droid designed to assist sentients in their relations with one another, often as translators between sentients or between sentients and computers.

They also possessed knowledge about various cultures and customs, in order to advise those for whom they are working, and also so that they themselves may behave in a diplomatic and culturally sensitive manner.

Protocol droids constructed around 4,000 BBY (around the time of the Great Sith War and the Jedi Civil War) were frequently engineered with certain situational and behavioral shifts set to occur whenever another design-generation was reached. A number of these droids underwent radical changes with each new generation&mdash;for example, when a C7-model droid supplanted the C6 variety. Each numeric "jump" in sequence could have had wide-ranging changes in functionality and temperament during that historical period.

Cybot Galactica, the most famous and successful manufacturer of protocol droids, outfited them with SyntheTech AA-1 VerboBrains to give protocol droids personalities with emotions and the ability to learn and grow very similar to organic beings. The 3PO unit possessed a TranLang III Communications device that could reproduce over six million languages, as well as reproduce any sound it picked up. Some models, such as the pricey E-3POs, also included the TechSpan I module, making it possible to interface with Imperial networks and undocumented technologies of Imperial subcontractors.

One of the most famous protocol droids was C-3PO.

Example units

 * 4-LOM
 * B-4D4
 * C-3PO
 * C-3PX
 * C-5MO
 * Chiba DR-10
 * CZ-0R6
 * CZ-3
 * CZ-4
 * E-3PO
 * HK-47
 * I-5YQ
 * K-3PO
 * M-TD
 * R-3PO
 * TC-3
 * TC-4
 * TC-5
 * TC-14
 * TC-16
 * U-3PO

Appearances
Star Wars Episode VI: Return of the Jedi
 * Star Wars: Knights of the Old Republic
 * Star Wars: Knights of the Old Republic II: The Sith Lords
 * Cloak of Deception
 * Darth Maul: Shadow Hunter
 * Star Wars Episode I: The Phantom Menace
 * Episode I: Qui-Gon Jinn
 * Star Wars Episode II: Attack of the Clones
 * Star Wars: Clone Wars
 * "Chapter 1"
 * "Chapter 15"
 * "Chapter 16"
 * "Chapter 21"
 * "Chapter 23"
 * Star Wars Republic: The New Face of War
 * Star Wars Republic 63: Striking from the Shadows
 * Jedi Trial
 * Labyrinth of Evil
 * Star Wars Episode III: Revenge of the Sith
 * Dark Lord: The Rise of Darth Vader
 * The Last of the Jedi: A Tangled Web
 * Droids: The Kalarba Adventures
 * Droids: Rebellion
 * Droids: Season of Revolt
 * Droids: The Protocol Offensive
 * Droids Special
 * The Farlander Papers
 * Star Wars Episode IV: A New Hope novelization
 * Star Wars Episode IV: A New Hope
 * Star Wars: Empire at War
 * Star Wars: Galactic Battlegrounds
 * Star Wars Episode IV: A New Hope
 * Star Wars: Galaxies
 * Star Wars Missions 1: Assault on Yavin Four
 * Star Wars Missions 2: Escape from Thyferra
 * Star Wars Missions 3: Attack on Delrakkin
 * Star Wars Missions 4: Destroy the Liquidator
 * Star Wars Missions 5: The Hunt for Han Solo
 * The Rebel Thief
 * X-wing Marks the Spot
 * Super Star Wars
 * A Hunter's Fate: Greedo's Tale
 * Marvel Star Wars
 * The Day after the Death Star
 * Death Star Pirates
 * The Keeper's World
 * Weapons Master
 * Star Wars 3-D
 * Vader's Quest
 * Star Wars Empire 22: Alone Together
 * The Mystery of the Rebellious Robot
 * The Star Wars Holiday Special
 * Junkheap Hero
 * Splinter of the Mind's Eye / comic
 * Star Wars Episode V: The Empire Strikes Back
 * Thank the Maker!
 * Super Empire Strikes Back
 * The Hoth Adventure
 * Shadows of the Empire novel
 * Shadows of the Empire comic
 * Fortune, Fate, and the Natural History of the Sarlacc
 * Entrenched
 * Super Return of the Jedi
 * Tales from Jabba's Palace
 * Free Memory
 * The Truce at Bakura
 * A Wookiee Scorned
 * Shadows of the Empire: Evolution
 * Marooned
 * The Glove of Darth Vader
 * Collapsing New Empires
 * The Courtship of Princess Leia
 * Corphelion Interlude
 * Tatooine Ghost
 * Tall Tales
 * Dark Empire
 * Dark Empire II
 * Empire's End
 * The Other
 * Jedi Search
 * Children of the Jedi
 * Darksaber
 * Planet of Twilight
 * The Crystal Star
 * The Black Fleet Crisis
 * The New Rebellion
 * Specter of the Past
 * Vision of the Future
 * Star Wars: Union
 * Young Jedi Knights
 * Junior Jedi Knights: The Golden Globe
 * Chewbacca
 * Revenants
 * Vector Prime
 * Dark Tide I: Onslaught
 * Agents of Chaos I: Hero's Trial
 * Balance Point
 * Edge of Victory II: Rebirth
 * Star by Star
 * Enemy Lines I: Rebel Dream
 * Destiny's Way
 * Force Heretic I: Remnant
 * Force Heretic II: Refugee
 * Or Die Trying
 * Force Heretic III: Reunion
 * The Unifying Force
 * Dark Nest I: The Joiner King
 * Dark Nest II: The Unseen Queen
 * Dark Nest III: The Swarm War
 * Betrayal
 * Bloodlines
 * Tempest
 * Sacrifice