Also Dumbledore:

"I recognize the name, Harry," said Dumbledore. The old wizard's lips twitched upward. "Although honesty compels me to say that dear Winston was never one for pangs of conscience, even after a dozen shots of Firewhiskey."

No old uses for Quirrel aside from this:

The Defense Professor's shoulders twitched in a slight shrug, the only movement they'd shown since the battle ended.