Praven was a Sith pureblood male who served the reconstituted Sith Empire as a Sith Lord and later protected the Galactic Republic as a member of the Jedi Order.
Another powerful dark side user during the Sith Empire was Kel'eth Ur. He studied as a Sith until he adopted the Jedi's philosophy of the pursuit of peace, realizing that Sith were ruled by fear. Ur then turned from the dark side and learned the ways of the light, imparting his knowledge to others.
After Return of the Jedi, there are no more Sith. Were there any members of the red skinned Sith species who became Jedi? Yes 2 in Legends. None in canon.
The obvious answer is Darth Vectivus, a Sith Lord who lived in his house and didn't try to conquer the galaxy or destroy the Jedi. And while he wasn't evil, he wasn't good, either. However, there is one good Sith. That would most likely be Darth Vectivus.
The ONLY Sith Pureblood That Became a Jedi - Star Wars Explained
How did Sith purebloods go extinct?
By 44 ABY, it was widely believed that the true Sith species had become extinct due to extensive interbreeding. The characteristics exhibited by individuals were contingent upon the extent of Dark Jedi or Sith blood resulting from interbreeding.
The term "Sith Lord" generally encompassed members of both sexes, although some female Sith such as Lumiya, Tahiri Veila, Olaris Rhea, and Vestara Khai were styled Sith Lady. Originally, "Sith Lord" referred to a high-ranking member of the Sith Order's society.
By the end of The Rise of Skywalker, Emperor Palpatine (aka Darth Sidious) is believed to be the last of the Sith Lords. But was he really the last to ever live, or were there others in hiding? According to the current canon, he is indeed the last Sith, but that doesn't appear to be the case in Legends.
Yoda was one of the wisest masters of the Jedi Order, yet even he was tempted by the dark side. If he had joined the ranks of the Sith, the events of Star Wars would have played out very differently. He could have toppled Palpatine's reign and claimed the Empire for himself.
Legend had it that Yoda—a Jedi who became Grand Master—was trained by N'Kata Del Gormo. A Force-sensitive Hysalrian, N'Kata Del Gormo was trained in the ways of the Force and achieved the rank of Master within the Jedi Order.
Ajunta Pall was a male Human Jedi Master and the leader of the Dark Jedi who were exiled from the Jedi Order and the Galactic Republic following the Hundred-Year Darkness. Upon his arrival on Korriban, he became the first Dark Lord of the Sith.
After his reincarnation, Darth Sidious aka Palpatine used a blue-bladed lightsaber when he fought Luke onboard his Super Star Destroyer Eclipse. Ultimately, Sith who wielded colors other than red were usually looking to disguise their dark affiliations.
Summary. Jar Jar Binks's clumsiness may not be genuine, but rather an act to disguise his true nature as a Sith Lord infiltrating the Republic. Palpatine carefully orchestrated events to manipulate the galaxy, and Jar Jar's involvement suggests he may have been the eyes and ears on Naboo.
The most agreed upon theory, started by Reddit user Lumparoo in 2016, is that Jar-Jar is a powerful Force-user conspiring with Darth Sidious. In addition to this, some believe he either trained, or was supposed to become Supreme Leader Snoke, or that he is a reincarnation of Darth Plagueis.
Even though Kylo Ren uses a red lightsaber, harnesses the dark side of the Force, and wears a cape, he is not a Sith. Because of that, he can never hold the title of Darth. Instead, he was just a chaotic mess of the dark side (until he eventually found his way back to the light).
During the Cold War a group of light-leaning Sith formed within the ranks of the Sith Empire. The Sith Lord Cendence was hand-chosen by the Dark Council to hunt down and destroy any Sith not deemed pure.
The term “gray Jedi” in Star Wars is somewhat of a misnomer, considering that the definition refers to one who is practically non-Jedi. That being said, quite a few Jedi can be placed into this category. But Mace Windu identified as a Jedi despite his possible inclusion in the "gray" category.
Sith Lords often have yellow eyes in Star Wars, but what exactly causes them and why Count Dooku never had them is a mystery. Emperor Palpatine was the first Star Wars character to have yellow eyes in 1980's The Empire Strikes Back, a look that carried over to Return of the Jedi.
Emperor Vitiate was a Sith Lord who successfully gained near immortality by draining the life force of an entire planet, later attempting to drain all life in the galaxy, which would give him true immortality.
The Sith were a red-skinned species with tentacles, susceptible to using the dark side of the Force. They shared their name with the Sith Order, a religious organization of Force-sensitives who also used the dark side.
