Knock, knock. Who's there? Uma. Uma who? Uma fan of these knock-knock jokes?

Knock, knock. Who's there? Vanessa. Vanessa who? Vanessa joke is one that makes you smile!

Knock, knock. Who's there? Wallace. Wallace who? Wallace my jokes land every time!

Knock, knock. Who's there? Xavier. Xavier who? Xavier chance to hear another great joke!

Knock, knock. Who's there? Yolanda. Yolanda who? Yolanda the jokes just keep coming!

Knock, knock. Who's there? Zen. Zen who? Zen tale, two jokes, and a punchline walk into a bar!

Knock, knock. Who's there? Alice. Alice who? Alice time for another joke, don't you think?

Knock, knock. Who's there? Britney. Britney who? Britney Spears my favorite knock-knock joke!

Knock, knock. Who's there? Calvin. Calvin who? Calvin all our friends, we'll have a joke party!

Knock, knock. Who's there? Cow. Cow who? Cow-moo-nication is key in any relationship!

Knock, knock. Who's there? Lettuce. Lettuce who? Lettuce find a better joke next time!

Knock, knock. Who's there? Olive. Olive who? Olive to tell you another knock-knock joke!

Knock, knock. Who's there? Isabel. Isabel who? Isabel broken, can I come in?

Knock, knock. Who's there? Jester. Jester who? Jestering if you'll laugh at this joke!

Knock, knock. Who's there? May. May who? May the best joke win!

Knock, knock. Who's there? Peas. Peas who? Peas on Earth and goodwill to all!

Knock, knock. Who's there? Boo. Boo who? Aw, did I scare you?

Knock, knock. Who's there? Ima. Ima who? Ima gonna give you a big hug!

Knock, knock. Who's there? Hi. Hi who? Hi ho, hi ho, it's off to work we go!

Leaf.

Leaf me alone!