🎬 Fact: Family Guy (1999–present) Seth MacFarlane voices Peter, Brian, Stewie, and Quagmire, often recording entire conversations between the characters by himself. He based Peter Griffin’s distinct Rhode Island accent on a security guard he knew while attending the Rhode Island School of Design. The show has the rare distinction of being cancelled twice by Fox. It was only brought back because of record-breaking DVD sales and high ratings on Adult Swim, proving to the network that there was a