The Kel Dor Zym, who was the Grand Master throughout the Great Galactic War, was assassinated shortly after the fall of the Jedi Temple in 3653 BBY. Sometime later, Satele Shan was elected as Grand Master, becoming the youngest known individual to ever receive the title.
The youngest Jedi to ever be appointed the rank of Master is Mace Windu. Mace Windu was granted the rank of Master and offered a seat on the council at the age of 28.
Despite being one of the youngest Council members ever, Anakin was outraged that he wasn't given the rank of Master as well. His time on the Council would be short-lived, though, as not long after he would be responsible for the fall of the Order, carrying out the Great Jedi Purge as Palpatine's apprentice.
In the Star Wars Legends continuity, the founders of the Jedi Order were Jedi Masters Cala Brin, Garon Jard, Rajivari, and Ters Sendon.
Yoda was a wise, experienced, and powerful Grand Master of the Jedi of an unknown species and the oldest known prophet in existence (having lived at least 900 years), considered the wisest and most powerful Jedi Master within the Star Wars universe.
Vernestra was enough of a prodigy that she eventually attained the rank of Jedi Knight at the age of only fifteen, making her the youngest Knight in a generation.
1. Luke Skywalker. Luke Skywalker is the classic archetype for a hero in Star Wars. Every Jedi since has taken elements from this original model, Rey being perhaps the most notable example.
As the first Dark Lord of the Sith, Ajunta Pall founded the first Sith Empire and expanded it onto other worlds. The Sith took over the planet Ziost and created it as their capital and as Pall's new home. Pall eventually died after serving the Empire for many decades, but his Empire lived on.
Jedi including Oppo Rancisis, Coleman Kcaj and Kirak Infil'a are mentioned on the Inquisitorius' list of surviving Jedi after Order 66. Other Jedi like Master Uvell and former Padawan Gungi have been confirmed as survivors.
Darth Shain, headmaster of the Korriban Temple, took notice and convened with the Dark Councilor and Dark Lord of the Sith Darth Shane McMahon, who decided to confer the title of Sith Lord to the young apprentice at the age of 11, making him the youngest Sith Lord in the history of the Sith.
Beginning his service in the employ of Queen Amidala of Naboo, R2-D2 wound up serving Jedi Knight Anakin Skywalker during the waning years of the Galactic Republic, often accompanied by the protocol droid C-3PO in many adventures throughout the Clone Wars.
How Anakin Almost KILLED Mace Windu When Denied the Rank of MASTER - Star Wars Explained. In Star Wars Revenge of the Sith, we all know the scene where Mace Windu tells Anakin Skywalker that isn't granted the rank of Master...
A Padawan was typically a young adult at the time of their trial, although some prodigies like Vernestra Rwoh of the High Republic were as young as 15 years old. Some trials were completed through experience in the field; Obi-Wan Kenobi attained the rank of Jedi Knight in this manner.
Ahsoka Tano was discovered by Plo Koon at the age of three and accepted into the Jedi Order. When she was 14, Jedi Master Yoda granted Ahsoka the rank of Padawan and apprenticed her to Anakin Skywalker, a powerful if reckless Jedi Knight.
Gungi was a male Wookiee Jedi Padawan who trained to become a Jedi in the Jedi Order during the Clone Wars.
The Mirialan Padawan to Luminara Unduli, Barriss Offee preferred learning and studying ancient Jedi texts in the Temple to war. This mindset, while noble, led her down a dark path that saw her betray friends and commit terrible acts.
Surviving members of the Jedi Council were known as Lost Jedi. Jedi Masters and Councilors Zez-Kai Ell, Kavar, Vrook Lamar, Lonna Vash, and Atris, were Lost Jedi, as was Deesra Luur Jada.
Darth Sidious, publicly known as Sheev Palpatine from Naboo, became the Dark Lord of The Sith after betraying and murdering his Sith Master Darth Plagueis. Sidious was the Dark Lord of the Sith during the last years of the Republic and the rise of the Galactic Empire.
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.
According to Darth Sidious, Darth Plagueis was a powerful Sith Lord who was able to use the Force to influence the midi-chlorians to create life, a power that was reportedly to be extremely rare for one sensitive to the Force to possess, and could even be used by certain Sith Lords to prolong or even cheat death.
Yoda was a legendary Jedi Master and stronger than most in his connection with the Force. Small in size but wise and powerful, he trained Jedi for over 800 years, playing integral roles in the Clone Wars, the instruction of Luke Skywalker, and unlocking the path to immortality.
By the High Republic Era, Yoda was considered a great Jedi Master. He had also gained a seat on the Jedi High Council and the rank of Grand Master. Two other Jedi—Lahru and Pra-Tre Veter—shared that title with Yoda.
Yoda was the Grand Master of the Jedi High Council – there are no higher honors to be granted within the Order. He's had 800 years to perfect his training, and it's made him wise and compassionate, and the perfect mentor (in hindsight) to the young Jedi who would save The Force for everyone.