Later on during the war, Yoda heard the voice of an old friend long gone: Qui-Gon Jinn. The Jedi Master feared he was having an auditory hallucination, but all medical tests proved he was well. When he was again visited by the disembodied voice, he found that it was truly Qui-Gon, who had somehow held onto his consciousness in death. The fallen Jedi sent Yoda on a journey of internal and external exploration, where he would face unsettling visions on , confront his own dark side self on a Force-soaked planet deep in the heart of the galaxy, and battle Darth Sidious in a spiritual plane on. Ultimately, Yoda gained a new understanding of true selflessness and of the Force, came to realize his hubris and the mistake the committed by becoming warriors, and unlocked the secret of Force immortality.
Admittedly, Myron Shekell's claim that the Grand Jedi Master Yoda was inspired by a tarsier is no more and no less than an educated guess based on the similarities between the “Star Wars” character and these primates.
If Yoda’s one of your favorite Star Wars characters, you might be interested in his backstory. Talking to , Star Wars comic series creator Jason Aaron revealed what fans can expect from Issue#26. There will be some untold stories about Jedi Master Yoda, and Luke will be part of it. The author said:
Grand Jedi Master Yoda is among the oldest and most powerful known in the universe. He was once on the Jedi Council. Series creator opted to have many details of the character's life history remain unknown. Yoda's and home world have not been named in any media, or otherwise, and he is merely said to be of a "species unknown" by the . Yoda's speech syntax has been analyzed and discussed by academic , who found it somewhat inconsistent, but could extrapolate that it has .