Doctor Who’s Quinquagenary → Doctor Who?
"What’s in a name? Names are just titles. Titles don’t tell you anything." -Tenth Doctor, The Girl in the Fireplace
"You chose yours. The man who makes people better. How sanctimonious is that?" -The Master, The Sound of the Drums
"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." -Eleventh Doctor, The Name of the Doctor