DT
http://www.doctorwhotv.co.uk/wp-content/uploads/dr-who-hartnell-credit-300x187.jpg
But that was the character and not the programme's title. Over the years the character has credited as 'Dr. Who', 'Doctor Who' and 'The Doctor' (the latter at Peter Davison and David Tennant's insistence) - the programme itself, however, has always officially been 'Doctor Who'.
If you're going to nitpick, it's "Doctor Who", never "Dr Who"
http://www.doctorwhotv.co.uk/wp-content/uploads/dr-who-hartnell-credit-300x187.jpg
But that was the character and not the programme's title. Over the years the character has credited as 'Dr. Who', 'Doctor Who' and 'The Doctor' (the latter at Peter Davison and David Tennant's insistence) - the programme itself, however, has always officially been 'Doctor Who'.
