Apologies in advance - a trove of Knock Knock jokes

Knock knock
Who's there?
Ether.
Ether who?
Ether bunny.

Knock knock
Who's there?
Hop.
Hop who?
Hop, hop way, Ether bunny gone.

Knock knock
Who's there?
Emerson.
Emerson who?
Emerson big eyes you 've got, baby.

Knock knock
Who's there?
Ellison.
Ellison who?
Ellison the alphabet after K.

Knock knock
Who's there?
Elephants.
Elephants who?
Elephants Gerald, the singer.

Knock knock
Who's there?
Orange.
Orange who?
Orange you glad there are knock-knock jokes?

Knock knock
Who's there?
Orange.
Orange who?
Orange you glad I'm here?

Knock knock
Who's there?
Orange.
Orange who?
Orange you ever going home?

Knock knock
Who's there?
Omen.
Omen who?
Omen river, that omen river.

Knock knock
Who's there?
Oliver.
Oliver who?
Oliver troubles will soon be over.

Knock knock.
Who's there?
Elder.
Elder who?
Elder in my arms all evening.

Knock knock
Who's there?
Eileen.
Eileen who?
Eileen over to tie my shoes.

Knock knock
Who's there?
Eileen.
Eileen who?
Eileen on a walking stick

Knock knock
Who's there?
Egypt.
Egypt  who?
Egypt me when he gave me change!

Knock knock
Who's there?
Edsall.
Edsall who?
Edsall there is — there isn 't anymore.

Knock knock
Who's there?
Eclipse.
Eclipse who?
Eclipse my hair in the barber shop.

Knock block.
Who's there?
Dynamite.
Dynamite who?
Dynamite play with us if we're good.

Knock knock
Who's there?
Dwayne.
Dwayne who?
Dwayne the bathtub, I'm dwowning.

Knock knock.
Who's there?
Divan.
Divan who?
Divan the bathtub — I'm drowning.

Knock knock.
Who's there?
Distress.
Distress who?
Distress hardly covers my butt.

Knock knock.
Who's there?
Disjoint.
Disjoint who?
Disjoint is closed.

Knock knock
Who's there?
Dishes.
Dishes who?
Dishes me, Who ish you?

Knock knock
Who's there?
Duncan.
Duncan who?
Duncan doughnuts in your milk makes 'em soft.

Knock knock
Who's there?
Duke.
Duke who?
Duke the halls with boughs of holly.

Knock knock
Who's there?
Dozen
Dozen who?
Dozen anybody want to let me in?

Knock knock
Who's there?
Doris
Doris who?
Dons closed— that's why I knocked.

Knock knock
Who's there?
DieseL
Diesel who?
Diesel be your last chance to open the door.

Knock knock
Who's there?
Dick
Dick who?
Dick 'em up, I'm a tongue-tied robber.

Knock knock
Who's there?
Dewey
Dewey who?
Dewey have to listen to all this knocking?

Knock knock
Who's there?
Della
Della who?
Della Katessen.

Knock hock
Who's there?
Datsun
Datsun who?
Datsun of mine is sure a little pest!

Knock knock
Who's there?
Consumption.
Comsumption who?
Consumption be done about these knock-knock jokes?

Knock knock
Who's there?
Column.
Column who?
Column loud and clear.

Knock knock
Who's there?
Catsup.
Catsup who?
Catsup a tree.

Knock knock
Who's there?
Catch.
Catch who?
Gesundheit!

Knock btock.
Who's there?
Cartoon
Cartoon who?
Cartoon ups are necessæy to keep your car running smoothly.

Knock knock
Who's there?
Carnen.
Carmen who?
Carnen get it.

Knock knock
Who's there?
Colin.
Colin who?
Colin here, shut the window.

Knock knock.
Who's there?
Cock-a-doodle.
Cock-a-doodle who?
Are you a rooster?

Knock knock
Who's there?
Closure.
Closure who?
Closure mouth, I'm talking!

Knock knock
Who's there?
Choo-choo train.
Choo-choo train who?
Choo-choo trained the lion, but he had trouble getting the tiger to cooperate.

Knock knock
Who's there?
Chester.
Chester who?
Chester minute and I'll see.

Knock knock
Who's there?
Chaise.
Chaise who?
Chaise him away.

Knock knock
Who's there?
Celia.
Celia who?
Celia later.

Knock knock
Who's there?
Celeste.
Celeste who?
Celeste time I'll tell you a knock-knock joke.

Knock knock. Who's there?
Cayuse.
Cayuse who?
Cayuse your bathroom ?

Knock knock.
Who's there?
Buttemut.
Butternut who?
Buttemut try to pick up a skunk.

Knock knock
Who's there?
Butter.
Butter who?
Butter be home before midnight.

Knock knock
Who's there?
Butcher.
Butcher who?
Butcher feet on the floor.

Knock knock
Who's there?
Butch, Jimmy, and Joe.
Butch, Jimmy, and Joe who?
Butch your arms around me, Jimmy a kiss, or I'll Joe home.

Knock knock. 
Who's there? 
Boop-boopie.
Boop-boopie who?
Boop-boopie doo.

Knock knock
Who's there?
Carfare.
Carfare who?
Carfare a piece of pie?

Knock knock.
Who's there?
Cantaloupe.
Cantaloupe who?
Cantaloup without a ladder.

Knock knock
Who's there?
Canoe.
Canoe who?
Canoe come out and play with me?

Knock knock
Who's there?
Canoe.
Canoe who?
Canoe help me with my homework?

Knock knock
Who's there?
Candy,
Candy who?
Candy door be opened? I want to get out.

Knock knock
Who's there?
Cameron.
Cameron who?
Cameron film are what you need to take pictures,

Knock knock
Who's there?
Caesar.
Caesar who?
Caesar jolly good fellow.

Knock block
Who's there?
Bwana
Bwana who?
Bwana hold your hand

Knock knock
Who's there?
Bob.
Bob who?
Bob baa black sheep, have you any wool?

Knock knock
Who's there?
Ben Hur
Ben Hur who?
Ben Hur waiting for ten minutes.

Knock knock
Who's there?
Banana.
Banana who?
Knock knock.
Who's there?
Banana.
Banana who?
Knock knock
Who's there?
Banana.
Banana who?
Knock knock
Whot's there?
Orange.
Orange who?
Orange glad I didn't say banana?"

Knock knock.
Who's there?
Ax
Ax who?
Ax your mother if you can come out and play.

Knock knock
Who's there?
Avenue.
Avenue who?
Avenue knocked on this door before?

Knock knock.
Who's there?
Augusta.
Augusta who?
Augusta wind blew my hat off!

Knock knock
Who's there?
Attack
Attack who?
Attack is sharp if you sit on it.

Knock knock.
Who's there?
Atom.
Atom who?
Atom N. Eve.

Knock knock
Who's there?
Astor.
Astor who?
Astor if she kept a diary.

Knock knock
Who's there?
Beckon.
Beckon who?
Beckon goes well with eggs.

Knock knock
Who's there?
Bay.
Bay who?
Bay be face, you've got the cutest little baby face!

Knock knock.
Who's there?
Arthur.
Arthur who?
Arthur mometer is broken.

Knock knock
Who's there?
Archer.
Archer who?
Archer mother and father at home?

Knock knock
Who's there?
Apricot.
Apricot who?
Apricot my key. Open up!

Knock knock.
Who's there?
Apollo.
Apollo who?
Apollo you anywhere if you blow in my ear!

Knock knock
Who's there?
Annie.
Annie who?
Annie-body seen my lost dog?

Knock knock
Who's there?
Annette.
Annette who?
Annette is needed to catch butterflies.

Knock block
Who's there?
Anita.
Anita who?
Anita minute to think it over.

Knock knock
Who's there?
Andrew.
Andrew who?
Andrew a picture of me today.

Knock knock
Who's there?
Andy
Andy who?
Andy bit me again.

Knock knock
Who's there?
Amos.
Amos who?
A mosquito bit me.

Knock knock
Who's there?
Althea.
Althea who?
Althea in my dreams.

Knock knock
Who's there?
Allotta.
Allotta who?
Allotta noise you 're making.

Knock knock
Who's there?
Allmen.
Allmen who?
Allmen act silly.

Knock knock.
Who's there?
Aida.
Aida who?
Aida sandwich at recess time.

Knock knock
Who's there?
Alaska.
Alaska who?
Alaska no questions. You tella no lies.

Knock knock
Who's there? 
Alby.
Alby who?
Alby glad when school's over.

Knock knock
Who's there?
Alfred.
Alfred who?
Alfred the needle if you 'II sew the button on.

Knock knock.
Who's there?
Ali.
Ali who?
Ali Bama.

Knock knock.
Who's there?
Alison.
Alison who?
Alison to the radio.

Knock knock
Who's there?
A little boy who can 't reach the doorbell.