"Obi-Wan is a great mentor; as wise as Master Yoda, and as powerful as Master Windu."

Obi-Wan Kenobi
Biographical information
Homeworld Stewjon
Born 57 BBY (22BrS), Stewjon
Died 0 BBY (35:3), Death Star

Physical description
Species Human
Gender Male
Height 1.79 meters
Mass 80 kilograms
Hair color Auburn (later white)
Eye color Blue-gray

Chronological and political information
Era(s) Rise of the Empire era, Rebellion era
Affiliation Jedi Order - Old Guard, The Young, Galactic Republic, Alliance to Restore the Republic
Known masters Yoda (Jedi Master), Qui-Gon Jinn (Jedi Master)
Known apprentices Anakin Skywalker (Jedi apprentice), Luke Skywalker (Jedi apprentice), Ferus Olin (Temporary Jedi apprentice)

Obi-Wan Kenobi, later known as Ben Kenobi during his exile, was a legendary Jedi Master who played a significant role in the fate of the galaxy during the waning days of the Galactic Republic. He was the mentor of Anakin and Luke Skywalker, training both in the ways of the Force. He had a long and tumultuous career that helped shape the fate of the entire galaxy.
Born in 57 BBY on Stewjon, Kenobi was taken as the Jedi apprentice of Qui-Gon Jinn and traveled on many missions with him. In 32 BBY, Kenobi became the first Jedi in approximately 1,000 years to defeat a Sith Lord in combat when he defeated Darth Maul during the Second Battle of Theed. In 22 BBY, Kenobi found the Clone army on Kamino, and he was captured and almost executed on Geonosis, along with Skywalker and Senator Padmé Amidala. The newly arrived clone troopers rescued them, but the following battle began the galaxy-wide Clone Wars.
Kenobi fought during many battles of the Clone Wars, and was one of the last members of the Jedi High Council. Even after his apprentice became a Jedi Knight, Kenobi and Skywalker fought together many times, becoming a widely renowned pair. Kenobi earned the sobriquet "The Negotiator" through his charm and calm demeanor as well as the quiet threat of his abilities with a lightsaber. Later in the war, Skywalker saved his life in a battle fought over Coruscant, after which Kenobi killed General Grievous on Utapau. However, he was soon betrayed, as Commander Cody, following Order 66, opened fire on him.
Kenobi met up with his old mentor Grand Master Yoda, and the two realized that not many Jedi had survived the attacks. The two returned to the Jedi Temple, where they learned the agonizing truth: Skywalker, now lost to the dark side of the Force, had led an attack to kill all Jedi remaining in the Jedi Temple, following orders from Chancellor Palpatine, the ruler of the successor of the Republic, the Galactic Empire. Kenobi traveled to Mustafar in order to duel his former apprentice and friend, now the Sith Lord Darth Vader. Finally, Vader was taken in by a storm of lava, and Kenobi remorsefully left him to die. While Yoda, one of the few other Jedi to survive the Great Jedi Purge, went into exile, Kenobi took the son of Skywalker and Amidala, Luke Skywalker, to live with the Lars family on Tatooine.

Darth Vader's group
Luke Skywalker's group
Han Solo group