What Am I Riddles

Question: Cats are not cats dogs are not dogs we are not real when we go there What am i ?

Question: You will see me every night sometimes i am scary and sometimes not What am I

Question: I am a cave full of bones,
and the house of a worm.

What am I?

Question: Drop me and the world will shatter,
and you can always find me where you empty your bladder.

What am I?

Question: Voiceless it cries,
Wingless flutters,
Toothless bites,
Mouthless mutters.

What is it?