Donald Draper wrote:
I find that fascinating but weird too. With that much change what is the common elements that is constant thats makes him feel like the same character?
The trappings and the format, mostly.
His Time Travel vehicle (His TARDIS) is consistent, he travels in Time and Space and has adventures with his Companion(s). There is Continuity, in that if he has met someone or been somewhere as The First Doctor, and sees that person or place as the 3rd Doctor, it's made mention of, and when one actor is finished and another takes over, he Regenerates into that new actor playing the part. Although one actor may play the part differently, than the next, there is typically something reminiscent, not always easy to put your finger on what it is though, just a familiarity
One Day I hope to be the Man my Cat thinks I am
Where are we going? And why are we in this Handbasket?