Quotes: I Know Your True Name
"Fear names. Names have power in identity. Others can use names as weapons. Names are a hook that can be used to track you... Remain nameless, and you shall be safe.
I am The Nameless One."
Only I know your true purpose in this world, Lombax. Only I know your true name!
(a Macbeth-esque witch/Carrionite alien howls in pain/rage and vanishes
What did you do? The Doctor:
I named her. The power of a name. That's old magic.
I know your true name, Baba Yaga
. Do you wish me to shout it now, so that all of the animals of the forest, all the birds of the air, every passing nixie and boggart will know it too? Your name will be as common as crab-grass. Would you like that, Baba Yaga? Baba Yaga:
You're lying. You do not know my name. Rose:
Perhaps. Do you wish to find out how loudly I can shout?
You know enough not to look in my eyes, but you do not know not to ask me my name?
The name is the thing, and the true name is the true thing.
Look, my name, my "real name", that is
not the point. The name I chose is the Doctor. The name you choose, it's like a promise you make.
— The Eleventh Doctor