You obviously knew Dumbledore well. Well, I certainly knew him the longest. That is, if you don't count his brother, Aberforth... ...and somehow, people never do seem to count Aberforth.
Harry Potter and the Deathly Hallows – Part 1
6.2s
-Who? MURIEL: My God, boy... ...she's only the most celebrated magical historian of the last century.
Harry Potter and the Deathly Hallows – Part 1
4.8s
"The Wizard and the Hopping Pot." "Babbitty Rabbitty and the Cackling Stump."