The Odd Couple
The Odd Couple is a 1965 Broadway play
Play (theatre)
A play is a form of literature written by a playwright, usually consisting of scripted dialogue between characters, intended for theatrical performance rather than just reading. There are rare dramatists, notably George Bernard Shaw, who have had little preference whether their plays were performed...

 by Neil Simon
Neil Simon
Neil Simon is an American playwright and screenwriter. He has written numerous Broadway plays, including Brighton Beach Memoirs, Biloxi Blues, and The Odd Couple. He won the 1991 Pulitzer Prize for Drama for his play Lost In Yonkers. He has written the screenplays for several of his plays that...

, followed by a successful film and television series, as well as other derivative works and spin offs, many featuring one or more of the same actors. The plot concerns two mismatched roommate
A roommate is a person who shares a living facility such as an apartment or dormitory. Similar terms include suitemate, housemate, flatmate , or sharemate...

s, one neat and uptight, the other more easygoing and slovenly. In the original play these were male; Simon also made a version for a pair of female roommates, called The Female Odd Couple.

Sources vary as to the origins of the play.

Oscar (to Felix): "You leave me little notes on my pillow. I told you a hundred-and-sixty-eight times I can't .. stand .. little notes on my pillow! 'We are all out of Corn Flakes. -F.U.' It took me three hours to figure out that 'F.U.' was Felix Ungar!"

Oscar (to Felix): "I have a typewritten list in my office of the 10 most annoying things you do that drive me berserk."

Oscar (repeating Felix's warning): "'Let it be on your head.' What the hell is that, the Curse of the Cat People?"

Roy (Oscar's poker-playing buddy, sniffing): "What is that, disinfectant? . . . It's the cards. He washed the cards."

The Pigeon Sisters: Ta Ta. From the TV show: (Doctor) "In the world of ulcers Unger, you're what's known as a carrier!"