"I'll show you. This is what it means to kill something."
— Shiki, Tsukihime
"J-J-Jack! But they said you were dead. You must be — double dead!"
— Oogie Boogie, The Nightmare Before Christmas
"He couldn't be any more dead."
— Heat Man, In Wilys Defense
"Where do you go if you die when you're already in Hell?"
"Superhell. It totally sucks there."
"As Coroner I must aver,
I thoroughly examined her.
And she's not only merely dead,
she's really most sincerely dead."
"Nope. Can't do it. Sorry. I reeeeeally want you all dead. And not the kind of dead where there's a possibility you might still be alive. I want you SO dead, that you'll be reincarnated as a corpse!"
Krusty: Well kids, we all know that sometimes when cartoon characters die, they're back again the very next week. That's why I'm presenting this sworn affidavit that Poochie will never, ever, ever return!
Lawyer: This document conforms to all applicable laws and statutes.
The Simpsons, "The Itchy & Scratchy & Poochie Show"
"I will catch you. I will cut you down. I will bury you and plant a tree on your grave. My people will eat the fruit of that tree, not knowing it was sustained by your rotting flesh. They will tell me how good it tastes, and no one will never know.
I will erase you."