Professor Donald Trefusis is an eccentric fictional character in several of Stephen Fry's works where he is shown as a senior tutor and professor of philology at the University of Cambridge.
Professor Donald Trefusis is an eccentric fictional character created by Stephen Fry; initially as an occasional contributor to Ned Sherrin's BBC Radio 4 programme Loose Ends. Trefusis was portrayed as a senior tutor and professor of philology at the University of Cambridge.