One of the more common fan theories that’s popped up is that Ben Solo was named after Obi-Wan Kenobi, who famously used the name Ben Kenobi while in exile on Tatooine. It took a long time, but Lucasfilm has finally addressed this detail head on in the new novel Star Wars: Legacy. Star Wars: Legacy Confirms a Popular Kylo Ren Fan TheoryIn Star Wars: Legacy, Rey and Leia travel to the planet Tython to embark on a mission to heal the broken kyber crystal that powers the Skywalker family lightsaber. This is clear-cut confirmation that Ben Solo was indeed named after Obi-Wan Kenobi. It mirrors developments in the old Star Wars Legends continuity, where Han and Leia named one of their children after a different Jedi: Anakin.