Classic call-and-response style jokes that follow a set pattern.
Knock, knock. Who's there? Sam. Sam who? Sam person trying to get in here!
Knock, knock. Who's there? Tina. Tina who? Tina bit and I'll be inside!
Knock, knock. Who's there? Upton. Upton who? Upton this door is where I'm standing!
Knock, knock. Who's there? Vanessa. Vanessa who? Vanessa joke you've ever heard!
Knock, knock. Who's there? Will. Will who? Will you let me in now or what?
Knock, knock. Who's there? Xander. Xander who? Xander to see you open this door!
Knock, knock. Who's there? Yara. Yara who? Yara so fun to tell jokes with!
Knock, knock. Who's there? Llama. Llama who? Llama tell you a secret!
Knock, knock. Who's there? Justin. Justin who? Justin other day in paradise!
Knock, knock. Who's there? Amish. Amish who? Aww, I'm not a shoe!
Knock, knock. Who's there? Alma. Alma who? Alma-ty fine day, isn't it?
Knock, knock. Who's there? Larry. Larry who? Larry up, it's time to go!
Knock, knock. Who's there? Olive. Olive who? Olive your secrets are safe with me!
Knock, knock. Who's there? Boo-boo. Boo-boo who? Don't cry, I'm just a funny joke!
Knock, knock. Who's there? Otto. Otto who? Otto know the answer to that question!
Knock, knock. Who's there? Twit. Twit who? Twitter is a great place for jokes!
Knock, knock. Who's there? Woo. Woo who? Don't get too excited, it's just me!
Knock, knock. Who's there? Anna. Anna who? Anna one, anna two, anna knock-knock joke for you!
Knock, knock. Who's there? Razor. Razor who? Razor hand if you love knock-knock jokes!
Knock, knock. Who's there? Harry. Harry who? Harry up and open this door already!
Knock, knock. Who's there? Doughnut. Doughnut who? Doughnut forget to take out the trash!