Nothing. He's mute. I don't even think he's as ventriloquist.
Bruce Wayne.
Supperman. Or his kid Soup-erman. One just gets to dinner on time and the other is really good and making soup. E: I thought of it in it in a dream so thats why its not so good
Because for most of his life, he's Ben Solo.
Because he was Snowd en! (according to my friends this joke has been around for awhile, but I hadn't seen it yet, and wanted to share the goof)
By becoming a ventriloquist!