Crossword puzzle clue "have no existence"

Craft whose existence may be denied by government officials, thus proving its existence

Have existence

Have no existence

"Therefore, I have proven the existence of jalapeños!"?

Actor who said "Some people have youth, some have beauty—I have menace"

Sounds you might make when I say "Would you rather watch your parents have sex or have your parents watch you have sex?"

Beingness or existence

Threw one's ordinary existence into confusion?