Complex sentence: The term Dogsbody hasn't always been derogatory, with a number of people deliberately using it as their callsign or handle; the most famous of these is probably Douglas Bader an RAF fighter pilot during the Second World War.
Split into simpler sentences: The term Dogsbody has not always been derogatory, with a number of people deliberately using it as their callsign or handle. The most famous of these is probably Douglas Bader, who was an RAF fighter pilot during the Second World War.