Knock Knock Who's there? Alec! Alec who? Alec-tricity. Isn't that a shock! Knock Knock Who's there? Alec! Alec who? Alec my lolly! Knock Knock Who's there? Alex! Alex who? Alex the questions round here! 1650. Knock Knock Who's there? Adair! Adair who? Adair once but I'm bald now! Knock Knock Who's there? Adlai! Adlai who? Adlai a bet on that!