Oh, I have so many... Short story: "Deathbird" by Harlan Eliison. Novel... I'd have to actually sit down and think it all through; there are probably too many to pick just one. Other media... I'd have to think about that, too.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.