"You might be laboring under the delusion that the entire wizarding world is impressed with you," Snape went on, so quietly that no one else could hear him, "but I don't care how many times your picture appears in the papers. To me, Potter, you are nothing but a nasty little boy who considers rules to be beneath him."
Well known for his "abnormally large nose" and dark, greasy hair, the delightful Professor Snape has yet failed to even brush against shampoo...
However, Snape was truly on the side of Albus Dumbledore. It was solely on his orders that Snape achieved what he did.
"I can teach you how to bottle fame, brew glory, even stopper death — if you aren't as big a bunch of dunderheads as I usually have to teach."
"Oh, very good," interrupted Snape, his lip curling. "Yes, it is easy to see that nearly six years of magical education have not been wasted on you, Potter. 'Ghosts are transparent.'"
"DON'T CALL ME A COWARD!"