38 Classic Knock-Knock Jokes: The 2021 Squid & Spider Edition

In 2021, we were all playing games—some for a piggy bank full of cash in Squid Game, and others across the multiverse in No Way Home. It was the year of the “Bernie Sanders Mittens” meme and the rise of digital art you couldn’t touch. These knock-knock jokes are the definitive 2021 archive.

The 2021 Top 10: Multiverses & Squid Games

The Squid: Knock, knock. / Who’s there? / Red light. / Red light who? / Red light, Green light! Open the door before the doll sees you!
The Spider-Men: Knock, knock. / Who’s there? / Peter. / Peter who? / Peter One, Peter Two, or Peter Three? We’re all here, let us in!
The NFT: Knock, knock. / Who’s there? / NFT. / NFT who? / NFT (Nice-for-the) person who buys this joke, but you can just have it for free!
The Bernie: Knock, knock. / Who’s there? / Mittens. / Mittens who? / Mittens (Me-thinks) it’s cold out here, and I’ve got my chair ready!
The Vaccine: Knock, knock. / Who’s there? / Vax. / Vax who? / Vax-inate (Vacate) the hallway and let me in, I’m fully protected!
The Olivia: Knock, knock. / Who’s there? / Driver’s. / Driver’s who? / Driver’s license! I finally got it, so open the door! (Olivia Rodrigo’s 2021 hit)
The Cargo: Knock, knock. / Who’s there? / Cargo. / Cargo who? / Cargo “vroom vroom”, but my Bitcoin just went to the moon!
The Lettuce: Knock, knock. / Who’s there? / Lettuce. / Lettuce who? / Lettuce in, Dune is three hours long!
The Tank: Knock, knock. / Who’s there? / Tank. / Tank who? / Tank you for being my 2021 Bestie!
The Europe: Knock, knock. / Who’s there? / Europe. / Europe who? / No, Europe-an, I’m just trying to win the 45.6 billion won!

The Full 2021 Archive (Extended List)

The Wooden: Knock, knock. / Who’s there? / Wooden shoe. / Wooden shoe who? / Wooden shoe like to see my digital art?
The Alex: Knock, knock. / Who’s there? / Alex. / Alex who? / Alex-plain the multiverse once I’m inside!
The Annie: Knock, knock. / Who’s there? / Annie. / Annie who? / Annie body home?
The Dwayne: Knock, knock. / Who’s there? / Dwayne. / Dwayne who? / Dwayne the bathtub, it’s 2021!
The Ice Cream: Knock, knock. / Who’s there? / Ice cream. / Ice cream who? / Ice cream “Spider-Man is back!”
The Honeydew: Knock, knock. / Who’s there? / Honeydew. / Honeydew who? / Honeydew you want to go to the park?
The Doris: Knock, knock. / Who’s there? / Doris. / Doris who? / Doris locked, find the key!
The Leaf: Knock, knock. / Who’s there? / Leaf. / Leaf who? / Leaf a comment on my TikTok!
The Canoe: Knock, knock. / Who’s there? / Canoe. / Canoe who? / Canoe help me with this?
The Police: Knock, knock. / Who’s there? / Police. / Police who? / Police let me in!
The Amos: Knock, knock. / Who’s there? / Amos. / Amos who? / A mosquito bit me!
The Anita: Knock, knock. / Who’s there? / Anita. / Anita who? / Anita borrow your charger!
The Hatch: Knock, knock. / Who’s there? / Hatch. / Hatch who? / Bless you!
The Shore: Knock, knock. / Who’s there? / Shore. / Shore who? / Shore hope you’re happy!
The Otto: Knock, knock. / Who’s there? / Otto. / Otto who? / Otto know better!
The Robin: Knock, knock. / Who’s there? / Robin. / Robin who? / Robin the fridge for some snacks!
The Luke: Knock, knock. / Who’s there? / Luke. / Luke who? / Luke through the peephole!
The Mustache: Knock, knock. / Who’s there? / Mustache. / Mustache who? / I mustache you to hurry up!
The Theodore: Knock, knock. / Who’s there? / Theodore. / Theodore who? / Theodore is shut tight!
The Ketchup: Knock, knock. / Who’s there? / Ketchup. / Ketchup who? / Ketchup with the new trends!
The Mikey: Knock, knock. / Who’s there? / Mikey. / Mikey who? / Mikey is lost!
The Ken: Knock, knock. / Who’s there? / Ken. / Ken who? / Ken I come in?
The Ida: Knock, knock. / Who’s there? / Ida. / Ida who? / Ida like to be your friend!
The Alpine: Knock, knock. / Who’s there? / Alpine. / Alpine who? / Alpine for you!
The Wendy: Knock, knock. / Who’s there? / Wendy. / Wendy who? / Wendy wind blows!
The Hugo: Knock, knock. / Who’s there? / Hugo. / Hugo who? / Hugo your way!
The Orange: Knock, knock. / Who’s there? / Orange. / Orange who? / Orange you glad I’m here?
The 2021: Knock, knock. / Who’s there? / 2021. / 2021 who? / 2,021 reasons why this year was “legend-wait-for-it-dary!”