Emperor Palpatine: At last. Snoke trained you well.
Kylo Ren: I killed Snoke. I’ll kill you.
Emperor Palpatine: My boy. I made Snoke. I have been every voice… (as Snoke): you have ever heard… (as Darth Vader): inside your head.
From the movie Star Wars: The Rise of Skywalker (2019) | Produced by Lucasfilm