HAAAAAA! That's cracktastic! I love Hagrid's little pet dragon and Dumbledore's pennant, and Hagrid giving 'mouse lessons'. HAAAAA, what a wonderful cheering squad they'll make.
"C'mon, Harry! Yer can stick it in to 'im. Dona let 'im intimida' ya. Did I ever tell ya he likes ter dress up in ladies knickers?" Hagrid asked as he waggled his eyebrows suggestively. "A feller down ta pub tol' me oncit..."
"Now Severus, I'm hardly responsible for the boy's Slytherin traits; you're the one who was foolish enough to let him tie you down, my boy," the old man said with a twinkle. "So tuck in!"