Classic call-and-response style jokes that follow a set pattern.
Knock, knock. Who's there? Ben. Ben who? Ben knocking for hours, are you going to answer?
Knock, knock. Who's there? Cow. Cow who? Cow you do this to me, leave me outside in the cold?
Knock, knock. Who's there? Olive. Olive who? Olive my luggage outside, let me in!
Knock, knock. Who's there? Tuna. Tuna who? Tuna means I love you!
Knock, knock. Who's there? Therapist. Therapist who? The rapist is at your door!
Knock, knock. Who's there? Downton Abbey. Downton Abbey who? Don't on Abbey door, open it!
Knock, knock. Who's there? Europe. Europe who? No, you are!
Knock, knock. Who's there? Abner. Abner who? Abner-regular person!
Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce in, it's raining cats and dogs out here!
Knock, knock. Who's there? Alex. Alex who? Alex-plain when I knock on your door!
Knock, knock. Who's there? Hans. Hans who? Hans off the remote, I'm watching TV!
Knock, knock. Who's there? Ima. Ima who? Ima gonna call you later, okay?
Knock, knock. Who's there? Dewey. Dewey who? Dewey have to use a condom each time?
Knock, knock. Who's there? Carl. Carl who? Carl get your ass in gear, we are running late!
Knock, knock. Who's there? Noah. Noah who? Noah better way to celebrate than with cake!
Knock, knock. Who's there? Kenya. Kenya who? Kenya please help me with my homework?
Knock, knock. Who's there? Amish. Amish who? You're not a shoe, you're an entire person!
Knock, knock. Who's there? Dewey. Dewey who? Dewey have to knock so much for a laugh?
Knock, knock. Who's there? Art. Art who? Art you glad to hear from me again?
Knock, knock. Who's there? Luke. Luke who? Luke who's here to make you laugh!
Knock, knock. Who's there? Sarah. Sarah who? Sarah doctor around here?