Classic call-and-response style jokes that follow a set pattern.
Knock, knock. Who's there? Wooden shoe.
Knock, knock. Who's there? Atch.
Atch who? Bless you!
Knock, knock. Who's there? Nana.
Knock, knock. Who's there? Cereal.
Cereal who? Cereal pleasure to meet you!
Knock, knock. Who's there? Orange.
Knock, knock. Who's there? Doughnut.
Doughnut who? Doughnut forget to close the door on your way out!
Ya who? No thanks, I prefer Google!
Cow who? Cow says moooo!
Boo who? Don't cry, it's just a joke!
Who who? Are you an owl?
Dewey who? Dewey have to go to school today?
Who who? Are you an owl again?
Olive who? Olive a sudden, I can't stop laughing!
Knock, knock. Who's there? Iguana.
Iguana who? Iguana hold your hand!
Knock, knock. Who's there? Daisy.
Iva who? Iva sore hand from knocking so much!
Ken who? Ken I come in, it's freezing out here!