When he does get credited for such things, he likes to use a pseudonym that combines his brothers’ names — Patrick Williams.
He said he didn’t expect to be credited.
Mark Hamill previously spoke out to say it had been mistakenly reported that he only did the voice work for Dobbu Scay; he said he filmed his Star Wars: The Last Jedi scene in a full motion-capture suit with a giant medicine ball to make him the same size as BB-8.