Knock Knock Jokes

Joke: Knock knock!
Who's there?
OCD!
OCD who?
OCD who? OCD who? OCD who? OCD who? OCD who?

Joke: Knock knock!
Who's there?
Grab
Grab who?
Not me!

Joke: Knock knock!
Who's there?
Holla Lula!
Holla Lula who?
Holla lula! It's raining men! Hallelujah!

Joke: Knock knock!
Who's there?
Interruption snail.
Interrupting snail who?
*10 seconds pass*
Snail!

Joke: Knock knock!
Who's there?
Iowa!
Iowa who?
Iowa big apology to you! I think I just hit your car!

Joke: Knock knock!
Who's there?
Doorbell repairman!
Doorbell repairman who?
Ding dong! My work here is done.

Joke: Knock knock!
Who's there?
Billy.
Billy who?
Are you senile? I said Johnathon.

Joke: Knock knock!
Who's there?
Shelby!
Shelby who?
Shelby coming around the mountain when she comes!

Joke: Knock knock!
Who's there?
A little old lady.
A little old lady who?
Woah, I didn't know you could yodel!

Joke: Knock knock!
Who's there?
Control freak. Now you say "Control freak who?"