From Archaeology’s (July/August 2020) Letters column, in response to a query concerning certain characters on a woodcut not paying proper respect to their lords:
There was, in fact, a professional class of jesters in medieval Ireland called Braigetóir whose specialty was, indeed, farting for lords’ and ladies’ entertainment. – The Editors
And so I see the heritage of Peter Griffin has been thoroughly and tastefully researched by Seth MacFarlane.