The Queen‘s security guards use a very common name when referring to the monarch in public – and they looked to TV’s Kath and Kim for inspiration.
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According to News.com.au, royal staff call Queen Elizabeth “S” in a mission to keep her identity secret and for safety when she is doing engagement, instead of calling her by her real name.
The publication said that a Palace aide revealed the code name during a reconnaissance security trip ahead of a royal visit to a cathedral town.
“She’s written down as S,” he allegedly said.
When asked what the “S” stands for, he was said to have cupped his hand over his mouth and whispered: “It’s Sharon.”

Royal historian Hugo Vickers also said it was “highly likely” that the common name is being used for Her Majesty.
“The purpose of any sobriquet is that it should be anonymous and memorable,” he told the publication.
“If it can also be a bit mischievous and therefore all the more memorable, then that makes sense.
“Although S might simply stand for Sovereign of course.”
