Knock, knock! Who's there? Spell. Spell who? W-H-O.
Knock,Knock, Who is there? Pen! Pen who? is...
Knock, knock. Who's there? Owls say. Owls say who? Yep, that they do.
Knock knock. Who's there? Hatch. Hatch who? Bless you.
Me: "Will you Remember me in a day?" Her: "Yes." Me: "Will you remember me in a week?" Her: "Yes." Me: "Will you remember me in a month?" Her: "Yes." Me: "Will you remember me in a year?" Her: "Yes." Me: "Ok, I have a joke. Her: "Ok." Me: "Knock, knock." Her: "Who's there?" Me: "You didn't remember me."
Knock knock. Who's there? FBI. FB… We are asking the questions here!
Peter approaches the gates of Heaven. "Knock knock," says Peter. Miraculously, someone answers him. "Who's there," a voice in the distance asked. "God," says Peter. "God who," asked the voice? "GOD DAMMIT open these gates! I've been a good neighbor, loved my wife and lost my virginity, twice!"
Knock knock! Who's there? Ice cream! Ice cream who? Ice cream land on you!
Kock, Knock Who is there? Suck, suck. Suck, suck who? After a long pause with a low voice: My dick; dear!
Knock Knock. Who's There? Justin. Justin who? Your justin time to wipe my ass!