Knock, knock!
Who's there?
Dad!
Dad who?
*Silence*
Knock, knock.
Who’s there?
I suck.
I suck who?
Michael Jackson.
Knock, knock.
Moon, give me cheese.
Knock, knock. Who's there? Little Boy Blue. Little Boy Blue who? Michael Jackson.
Knock knock.
Who’s there?
Orange.
Orange who?
Orange you going to the movies tonight?
"Knock, knock."
"Who's there?"
"Bone."
"Bone who?"
"It's nice to meet cha'. Can we be friends? I'm bone-ly here."
"Knock, knock." "Who's there?" "Not Stephen Hawking."
Knock, knock.
Who's there?
It's me. I can't get in because Stephen Hawking is blocking the door!
Knock, knock.
Who's there?
I hate you.
I hate you who?
You hate me?? Rude!