Authors:

R2-D2 is like that, but I think because he doesn't speak actual words, his jokes don't land. It's really a hindrance. And the same with BB-8. But Artoo is a lot stronger.

"Alan Tudyk on making Moana's chicken noises and his fear of becoming Rogue One's Jar Jar". Interview with Esther Zuckerman, film.avclub.com. December 7, 2016.
R2-D2 is like that, but I think because he doesn't speak actual words, his jokes don't land. It's really a hindrance. And the same with BB-8. But Artoo is a lot stronger.