In addition to the spectacles and trainers, David Tennant
's Doctor also exhibits exceptional skill with a cricket ball during the regular series, another characteristic he inherited from the Fifth Doctor. See more
[observing the Fifth Doctor
Oh! The back of our head! Sorry... sorry... it's not something you see every day, is it? The back of your own head? Mind you I can see why you wear a hat. I don't want to seem vain, but could you put that back on?