Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch

by Terry Pratchett

“Yes, but you’re a demon. I’m not sure if it’s actually possible for you to do good,” said Aziraphale.

“I’m not sure it’s actually possible for you to do evil,” said Crawly sarcastically.

Aziraphale (An angel, and part-time rare book dealer)

Crowley (An Angel who did not so much Fall as Saunter Vaguely Downwards)

Olympic-grade lurkers.