Knock, knock. Who’s there? Booze. Booze who? Boozed up and ready for a good time!

Knock, knock. Who’s there? Everest. Everest who? Everest-ting good about this joke!

Knock, knock. Who's there? Boo. Boo who? Boo-hoo, I didn't mean to scare you!

Knock, knock. Who's there? Olive. Olive who? Olive you and I never let you go!

Knock, knock. Who's there? Tank. Tank who? You're welcome, anytime!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce in, it's too chilly outside!

Knock, knock. Who's there? Boo. Boo who? Hoo-hoo, don't be scared!

Knock, knock. Who's there? Olive. Olive who? Olive you and miss you loads!

Knock, knock. Who’s there? Isabel. Isabel who? Isabel broken or is it just stuck?

Knock, knock. Who’s there? Fig. Fig who? Fig-ure it out, I’m standing right here!

Knock, knock. Who's there? Cow says. Cow says who? Cow says mooooove over!

Knock, knock. Who's there? Wendy. Wendy who? Wendy come home, it's getting late!

Knock, knock. Who's there? Boo. Boo who? Just trying to scare you with a joke!

Knock, knock. Who's there? Turkey. Turkey who? Turkey is delicious, especially on Thanksgiving!

Knock, knock. Who's there? Fog. Fog who? Fog-geddaboutit, it's just me!

Knock, knock. Who's there? Nobel. Nobel who? Nobel, that's why I'm knocking!

Knock, knock. Who's there? Mikey. Mikey who? Mikey likes knock-knock jokes!

Knock, knock. Who's there? Twit. Twit who? Sorry, I don't follow you on Twitter!

Knock, knock. Who's there? Hera. Hera who? Hera's me, open the door!

Knock, knock. Who's there? Cal. Cal who? California, here we come!

Knock, knock. Who's there? Pillow. Pillow who? Pillow fight!