Obi-Wan Kenobi

Raised in the Jedi Grand Temple, assigned to Jedi Master Qui-Gon Jinn
Defeated the Sith Lord Darth Maul during the Invasion of Naboo
Chose to train Anakin Skywalker, the prophesied “Chosen One”
Served in the Grand Army of the Republic during the Clone Wars
Killed General Grievous, effectively ending the Clone Wars
Defeated Anakin, after discovering that Skywalker had turned to the dark side
Adopted a hermit lifestyle, trained Skywalker's son, Luke, in the Force years later
Sacrificed himself to ensure that Luke & his allies escaped from Darth Vader
Continued guiding Luke as a Force Ghost, throughout the Galactic Civil War