Nothing, because he is the one who knocks.
Because telling them once wasn't enough.
Sigh* That's not elk... That's just reindeer.
Because there might be an Italian dressing.
Yoda lady. Yoda lady who Good job yodeling! 2.Knock knock. Whos there Well, not your parents, because your parents never knock!
Well it's not Saving Jane, that's for sure.
Heinz-enburg.
A Jehovah's Witness.
Because freedom rings. Bazinga!