Knock Knock!
Who's there?
Pig.
Pig who?
Pig up your feet or you'll Twip!
Knock Knock!
Who's there?
Ralph.
Ralph who?
Ralph ! Ralph ! Ralph ! I'm a dog !
Knock Knock!
Who's there?
Lara.
Lara who?
Lara lara laughs in Liverpool!
Knock Knock!
Who's there?
Larry.
Larry who?
Larry Krishna.