Doctor Whofans and Internet trolls torn overthe recent casting of Jodie Whittakershouldnt expect David Tennant to understand their fury.

Thats hisBroadchurchbuddy theyre talking about.

Well, you know, shes been onBroadchurchfor three seasons, so I know her very well.

Shes a mate of mine.

Tennant wasnt surprised over some of the responses.

He recalled seeing certain messages for his casting, such as, Whos the weasely looking guy?

I like the last guy.

This is not gonna work for me.

This show is dead to me.

I resign from the Internet.

The Doctor can be whatever he needs to be, he said.

Its about finding the right performer at the right time and thats Jodie without a doubt.

Watch Tennant discussDoctor Whowith Colbert in the clip above.