The Janitor on Scrubs Was Only Supposed to Be on the Show for One Season Where It Would Then Be Revealed That He Just a Figment of JD's Imagination However Bill Lawrence Realized That the Janitor Was Too Funny of a Character to Get Rid of So He Was Signed on as a Series Regular Not Only That but Neil Flynn the Actor That Played the Janitor Was Considered to Be So Perfect in His Role That Bill Lawrence Stopped Writing Lines for Him in Most of His Scenes and Instead Told Him to Say and Do Whatever He Wanted Idon't Believe in the Moon I Think It's Just the Back of the Sun Karlfranks Fullcabs Fuck I Like It When Posts Like This Are Actually True Zach Braff Did an AMA on Reddit a While Ago and Said the Script Would Sometimes Just Say “Then Neil Says Something Funny”