Why are One-Name Wonders always a Unique Name?

Why are One-Name Wonders always a Unique Name?

We've all heard of one-hit wonders. But what about one-name wonders?

You know, the artists who are known by only one name? People like Cher, Bono, Liberace, Adele, Elvis, Madonna, Beyonce... there are countless more.

Note that they almost always have a somewhat unique name, not a common one.

So why are there no one-name wonders with a common name like Bob, Karen, or some similar name?

Wouldn't Tom be a great name for a one-name star?

Why are One-Name Wonders always a Unique Name?
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