The Dark Lord Ascending
"Yaxley. Snape," said a high,clear voice from the head of the table, You are very nearly late."
The speaker was seated directly in front of the fireplace, so that it was difficult, at first, for the new arrivals to make out more than his silhouette. As they drew nearer, however, his face shone through the gloom, hairless, snake-like, with slits for nostrils and gleaming red eyes whose pupils were vertical. He was so pale that he seemed to emit a pearly glow. "
"I have been careless, and so have been thwarted by luck and chance, those wreckers of all but the best laid plans. But I know better now. I understand those things that I did not understand before. I must be the one to kill Harry Potter, and I shall be."
"Harry Potter and The Deathly Hallows"