Knock KnockWho's there?Joey!Joey who?Joey to the centre of the Earth!Knock KnockWho's there?Johann!Johann who!Johann a beautiful smile!Knock KnockWho's there?Johannes!Johannes who!Johannes are cold!Knock KnockWho's there?John!John who?John with the Wind!Knock KnockWho's there?John!John who!John the Navy!