As… weird as Luke and Leia seem to me there, Ben seems to blend in.
Leia looks a bit weird/bad-- let’s admit that too. So if someone has the talent and capability to fix this whole scene without adding more to the weirdness, e.g., “fat cartoonish Kylo” and even replacing Leia, all the better. But just because Leia looks weird/bad and Luke looks mediocre, it doesn’t mean it’s ok for Kylo to look weird too. Unless that’s what you’re going for in a joke edit.