In no particular order, lest I spend an hour agonizing over the top 3....
Hagrid McGonagall Lupin Luna L. Mama Weasley Fred W. George W. Dumbledore (esp. Richard Harris's version, no offense to Gambon) Lily P. Buckbeek
"There is still hope." - Arwen, LotR "No man controls my destiny. Especially not one who attacks downwind and stinks of garlic." - Azim, ROBIN HOOD "Do you stop believing in the moon just because the sun comes out?" - Jack Frost, RISE OF THE GUARDIANS "I am no man." - Eowyn, LotR