Complex sentence: Professor Donald Cornwallis Treadway Trefusis (1921-2008) is an eccentric fictional character created by Stephen Fry, initially as an occasional contributor to Ned Sherrin's BBC Radio 4 programme "Loose Ends".
Split into simpler sentences: Professor Donald Cornwallis Treadway Trefusis (1921-2008) is an eccentric fictional character created by Stephen Fry. He initially appeared as an occasional contributor to Ned Sherrin's BBC Radio 4 programme "Loose Ends".