Knock! Knock!Who's there?Heidi.Heidi who?Heidi 'cided to come over to play!
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Luke through the keyhole to see!
An extraterrestrial who?
Wait–how many extraterrestrials do you know?
Sherlock your door shut tight.
Harry up and let me in!
Okay, now you say, “Control Freak who?”
No, you’re a poo!