Luke Skywalker was a human male Jedi who grew up on Tatooine. After growing up, he eventually became part of the fight against the Galactic Empire, having a key role in its' downfall in 4 ABY. It is unclear what he did after that, but sometime in 9 ABY, he was contacted by Grogu meditating in some rocky ruins on Tython, seeking a fellow force user. Not long after, Luke was able to locate the child on Gideon's Light Cruiser. Arriving on the cruiser in his X-wing Starfighter, and destroy all the Dark Troopers on the ship as he made his way to the control room. There he agreed to Din Djarin that he would take Grogu as his apprentice, and promised to protect him with his life. Luke eventually settled on a forested planet where he started training Grogu. He also connected with Ahsoka Tano, who helped him set up a new Jedi academy