Funniest Knock Knock Joke

Knock Knock!
Who's There?
Isadore.
Isadore who?
Isadore made out of wood?


Who's there?
Acid!
Acid who?
Acid down and be quiet..


Who's there?
Phillip!
Phillip who?
Fill up the gas tank, I'm running low.


Who's there?
Spell!
Spell who?
OK, w.h.o..


Who's there?
Alexander!
Alexander who?
Alexander friend are coming over..


Who's there?
Harry!
Harry who?
Harry up and answer the door..


Who's there?
Dishes!
Dishes who?
Dishes the FBI, let us in..


Who's there?
Dozen!
Dozen who?
Dozen anyone want to let me in?