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I don't know the exact significance of the word "Darth" in the Sith world, but I think it was a word of honor for powerful Sith. That's why Anakin was given this word in his new name.

All powerful Sith in canon had this word in their names: Darth Plagueis, Darth Bane, Darth Sidious, Darth Vader, Darth Maul, etc.. As such name similarity can't be names given by their parents, I can assume they were given such words in names as a honor.

Now, look at Count Dooku.. he was a powerful Sith too. So, why wasn't he given this title?

Darth word hasn't been used in the movies, as far as I know. If you are claiming that Darth and Lord words are same, give citations because my vocabulary rejects it.

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This question has an open bounty worth +100 reputation from Jeremy Banks ending in 6 days.

Looking for an answer drawing from credible and/or official sources.

Let's get to the bottom of this.

A really minor nitpick: not all powerful Sith Lords were named "Darth". Naga Sadow wasn't, for example. But at least in the movies, what you say is true. – Andres F. Jan 28 '12 at 13:41
This question was asked before Disney canon existed, and attracted several answers. You can't just invalidate all of these answers by changing your question. Rolled back in accordance with site guidelines for question edits that invalidate existing answers. – Wad Cheber yesterday
@SS-3.1415926535897932384626433 The top answer seems correct to me. The "Lord Tyranus" clip is definitely real, we have precedent for Lord and Darth being used interchangeably in the original trilogy, and in the Ep II script I see Jango referring to a "Darth Tyranus" earlier in the movie. Since this is all straight from the movies, how does the Disney canon change affect any of it? – Ixrec yesterday
@SS-3.1415926535897932384626433 For the record, I think it would be completely valid to ask a new question like "Are Darth and Lord always interchangeable when referring to Sith?" that specifies Disney canon. – Ixrec yesterday
@ixrec - Even though "Darth" and "lord" can be used interchangeably, that doesn't mean that anyone referred to as a "lord" in the Star Wars universe is a Sith. And the script draft clearly shows Lucas intended for him to have the title "Darth Tyranus", but it's still a valid question to ask where in the current (Disney) canon this has been established (since scripted scenes that didn't make it into the movie aren't part of canon). – Hypnosifl 13 hours ago

12 Answers 12

up vote 5 down vote accepted

He was addressed as "Darth Tyranus" by Darth Sidious in the Clone Wars episode "The Rise of Clovis". Skip to 5:45 here:

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Finally, got the answer from the Disney canon... Thanks. – SS-3.1415926535897932384626433 11 hours ago
(sigh) congrats on finding the clip before I could. Like C-3PO, I say in despair "curse my metal body, I wasn't fast enough. It's all my fault". (out of curiosity, were you already looking for a Clone Wars clip before I mentioned looking for one in my answer? lol) – RedCaio 11 hours ago

He was: he was known as Darth Tyranus.

The name "Tyranus" is used in Attack of the Clones a few times and Sidious calls Dooku "Lord Tyranus" at the end of the film. "Lord" and "Darth" are often used interchangeably by Sidious when referring to his Sith apprentices.

In order to disguise his Sith identity, the Count usually goes by Dooku.

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In exactly the same way, it could be noted, as Darth Sidious publicly went by the names of Senator Palpatine, then Chancellor Palpatine and finally Emperor Palpatine. – eidylon Jan 28 '12 at 5:39
Kind of ruins the plausible deniability for you if your henchman standing next to you is called "Darth Vader". – Oldcat Nov 20 '14 at 19:13
If I remember correctly then even Lea titled him as Lord Vader and not Darth, it wasn't until Obi Wan later used Darth as his title. This gives precedence that Palpatine didn't announce him publicly as Darth Vader. – TheAI Jan 21 at 9:27
I voted for "Darth Dooki". – Omegacron Mar 9 at 20:15
@TheAI actually, Obi-Wan calling him "Darth" in Episode IV was a bit of a goof. At that time, the character's actual first name was "Darth" and Obi-Wan calling him that was intended to reflect that they had previously been on a first-name basis. That is, in fact, the only time ANYWHERE that he is referred to as simply "Darth". Anywhere else, it's "Vader", "Lord Vader", or "Darth Vader". Neat bit of trivia there, though. – Omegacron Apr 2 at 19:31

From the official script for Attack of the Clones:

JANGO I was recruited by a man called Darth Tyranus on one of the moons of Bogden.


OBI-WAN One more thing. Jango mentioned he was recruited by someone named Darth Tyranus. Any idea who that might be?

YODA With the forename Darth, a Sith he must be.


COUNT DOOKU The Force is with us, my Master.

DARTH SIDIOUS Welcome home, Lord Tyranus. You have done well.

From the official script for Revenge of the Sith:

DARTH SlDIOUS: His death was a necessary loss, which will ensure our victory. Soon I will have a new apprentice . . . one far younger and more powerful than Lord Tyranus

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Worth that the scene with Obi-Wan and Yoda from the script didn't actually make it into the movie. And vynsane also mentions in another answer that in the filmed version of the scene with Jango, he said he was recruited by "a man called Tyranus", without the "Darth". – Hypnosifl Nov 24 at 22:22

At the end of Attack of the Clones Dooku meets up with Sidious. Sidious says to him: "Welcome home, Lord Tyranus. You have done well."

He is Darth Tyranus and Darth Sidious gave him the name. There is no question of this.

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He may have been given the title by Sidious, but that is never clarified in the movies. He is referred to by the cloners as Tyranus in Attack of the Clones. This is his Sith name, but it remains to be seen if it was bestowed upon him by Darth Sidious or if he gave it to himself.

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To my knowledge, the only direct naming of Count Dooku as Darth Tyranus is outside of the movies, in comics, books and toys. The two times the name Tyranus comes up in the movie, it is without the Darth prefix: As other answers have already stated, Sidious refers to him as "Lord Tyranus" in their meeting on Coruscant towards the end of the film. The other time the name comes up, during Obi-Wan's tense discussion with Jango Fett, Fett says he "was recruited by a man called Tyranus" - no mention of the word "Darth" appears in conjunction with the word "Tyranus" in the final version of the film. The script at imsdb includes scenes and dialogue cut or modified before the film was finalized.

By the time of the final lightsaber duel it is clear that Count Dooku uses the Dark Side of The Force, but it can only be inferred that he has taken on the name Darth Tyranus, it is not explicitly stated anywhere in the movie. Most characters still refer to him as Count Dooku throughout the film and even the beginning of Episode III.

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Just a spelling note, it's written "Tyranus" rather than "Tyrannus", even though the name is obviously inspired by words like "tyranny" or "tyrannical" (or perhaps Lucas was inspired by the mighty Tyrannosaurus rex?) – Hypnosifl Nov 24 at 22:40
Thanks Hypnosifl - edited the post to correct the spelling. – vynsane Nov 25 at 14:26

In The Clone Wars TV series, (Series 3) Episode 10 entitled "Heroes On Both Sides", the Separatist senator Mina Bonteri (and indeed the other senators who are members of the "Confederacy of Independent Systems") is apparently convinced that Dooku is merely a (Confederate/Separatist) senator:

Padme Amidala: "I sense Dooku's dirty hand in all of this."

Mina Bonteri: "He's just the leader of the Senate, he's not the leader of the entire Universe!"

Padme Amidala: [Sighs] "Oh, I forgot. You actually admire the man."

It is likely that many members of the Confederacy of Independent Systems would be greatly disturbed if they knew that a Sith Lord was controlling their operations- the Confederacy provide funding for the Separatists in the war, and not all of their members are entirely sympathetic to their aims.

While some members of the Confederacy did not hold any qualms negotiating and conspiring with the Sith in the past- such as the Trade Federation and the Galactic Banking Clan, these particular organisations also operate in both Senates in order to enact money-making schemes from the conflict.

The people they are extorting within the Confederacy, however, joined due to their want of remaining independent from the Republic senate, which they feel is corrupt. They didn't sign up for support from Sith Lords, thus Darth Tyranus takes up a pseudonym as Count Dooku, so he is indistinguishable from his real motives.

However, if either side listened to each other more, they would perhaps realise that both their leaders were not as honourable as they made out to be. This probably displays the best example of people believing what they're told, as long as it's in line with what they're inclined to believe.

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To the best of my knowledge, Dooku was never a senator. Are you sure she wasn't referring to Palpatine, who was the leader of the Senate? Also, the leaders of the Trade Federation (a prominent member of the CIS) worked with Darth Sidious in Episode I -- so they probably didn't care too much about being involved with the Sith. – Null Jun 11 at 19:34
I specifically watched the episode, you can double-check it:, point 12:10. It may just be lazy or inconsitent writing, but that's what she said word-for-word. – Mikasa Pinata Jun 11 at 19:36
Also, I mentioned that "many" not "all" members of the Confederacy would have been uncomfortable with working with the Sith. In a different episode- can't remember which though, someone mentions that one of the members of the Trade Federation was betrayed by Sidious and was not a fan of him. – Mikasa Pinata Jun 11 at 19:39
I believe she meant that Dooku was leader of the Confederate, rather than the republic senate, as in the same episode we see a hologramatic version of Dooku hosting a vote on whether or not to try and open peace negotiations with the Republic. He says that "a vocal vote is needed", and eventually concludes that "democracy wins", thus they will go ahead with their plans to open negotiations. – Mikasa Pinata Jun 11 at 19:41
Ah, yes, this is clearer now -- Dooku appears to be the leader of the Confederate Senate. +1 for this find. – Null Jun 11 at 20:49

Dooku was bestowed the title of Darth Tyranus by, then Sith Lord Darth Sidious, shortly after the presumed death of his apprentice, Darth Maul at the hands of Jedi master Qui-gon Jin. Afterwhich he reclaimed his family title of 'Count' for use in his public persona as head of the separatist senate

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Sources? ................... – DVK May 15 '14 at 23:21

Count Dooku's Sith name was Darth Tyranus.

Count Dooku: The Force is with us, my Master.

Darth Sidious: Welcome home, Lord Tyranus. You have done well.

- Attack of the Clones

Darth Sidious uses "Lord" and "Darth" interchangeably when referring to his Sith apprentices:

  • He refers to Darth Maul as "Lord Maul" almost exclusively in Ep I

  • He refers to Darth Tyranus as "Lord Tyranus" in Ep II

  • He refers to Darth Vader as both "Darth Vader" and "Lord Vader" extensively throughout the films.

It seems to be purely coincidental that the actual words "Darth Tyranus" are not spoken in the films. This is simply because

  1. Darth Tyranus goes by Count Dooku when surrounded by separatists because they don't known he is Sith.

  2. Sidious happens to use "Lord" rather than "Darth" the one time they converse alone.

AND He is called "Darth Tyranus" in this Clone Wars episode

It is 100% official canon: Dooku did have a "Darth" title - it was Darth Tyranus.

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"If you are claiming that Darth and Lord words are same, give citations because my vocabulary rejects it."

The canon book "Lords of the Sith" seem to make it fairly clear that "Lord" is an appropriate title commensurate with "Darth" - to be a Sith Lord is to have the "Darth" pre-fix.

Throughout the book, Vader is called "Lord" by those around him, as well as Darth.

Also - the book references Anakin's murder Dooku and uses the name Darth Tyranus

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You bring up some good points. In it's current state, I can't tell if this is a comment (on my answer?) or is its own answer. – RedCaio 11 hours ago
I considered it an answer - feel free to edit to make it more clear :) – Nathan K. Campbell 10 hours ago
Oh, I get it now. At first I thought you were talking to me when you said "If you are claiming that Darth and Lord words are same, give citations ..." but I now realized you weren't. lol – RedCaio 10 hours ago

He was, his sith name is darth tyranus but because he wanted the jedi to believe he had just left the jedi he went under the name of count doku. When darth sisdious was clouding the light side of the force he was able to stop them seeing count doku was his second apprentice (after darth maul) and he was able to take control of the senate and posed as senator palpetine.

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How does this add anything that's not already covered in the other answers? – user8719 Jul 26 '14 at 21:28

According to The Clone Wars (Tv series, not AotC), Dooku is Darth Tyranus.

source: The Clone Wars

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Welcome to the site! Your answer, IMHO, is correct. You might consider adding quotes, links, or clips to back your source. – RedCaio 10 hours ago

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