As you step into the TARDIS, the first thing you notice is that it is much bigger on the inside. The second thing you notice is a thin, older man with long white hair - wearing an Edwardian-looking suit with plaid pants, using a cane/walking stick.

I am The First Doctor, my dear boy. Have you seen my traveling companion Chatterton...erm...Chesterton, hmm?

mischievous old man giggling intensifies