Knock Knock......Who's there?
472174
border patrol your being deported
753095
Start knocking on coffins and wait for someone to say, "Who's there?"!
218201
just hello..n wait :)\nnice Q!
1044580
Sure. Just ring the doorbell...
944654
good!\n\nNow stop knocking on my door.
1093974
Knock knock.\nWho's there?\nThe interrupting cow.\nThe interrupting c-\nMOOOOOOO!!!
781633
You are here, what about you?
868302
are you awake?\ncan you hear me?
982903
Knock Knock\nWho's There?\nEurope\nEurope who\nNo I'm not a poo, just a sh!t head
707399
I haven't heard it so can't help.\n\nAs no one else bothered answering I thought I'd say hello.\n\nPaul
80764
WHAT and who are you asking about?
298660
Are you there God?\nIt's me, Margaret.\n\nEmbry-Riddle.
208191
not me, knock on wood.
320915
what's the question??
928719
Me:  "Knock Knock"\n\nMissy:  "Who's there?"\n\nMe:  "You are"\n\nMissy:  "You are who?"\n\nMe:  "You are Cool!"
90120
knock knock\n\nWho's there?\n\nBanana\n\nBanana who?\n\nKnock, knock\n\nWho's there?  \n\nBanana\n\nBanana who?\n\nKnock, knock\n\nWho's there?\n\nOrange\n\nOrange who?\n\nOrange ya glad I didn't say banana?
622829
Out of the three , who would it be easiest for you to talk to ? Break in there