Joke Collection Website - Cold jokes - I can sneak up on you or let you know nothing in front of you, but my appearance will change you forever. What am I? I hope someone can answer it.

I can sneak up on you or let you know nothing in front of you, but my appearance will change you forever. What am I? I hope someone can answer it.

I can sneak up on you-good at hiding;

It can also make you ignorant in front of you-good at camouflage;

But when I appear, you will change forever-from organic to inorganic.

Then, my identity has been vividly portrayed-killer!

What a killer! !

My appearance will turn you from living to dead! ! !