In the early 90s I was "Puck3116". It was a Midsummer Night's Dream reference. That name was ruined by Real World SF.
After "Puck3116" I became "Archimago". Edmund Spencer is far more obscure. A search led me to believe I was the only one. Now, the internet has many of them.
Whitepages.com tells me
"There are 92 unique 'Donald Doss' full names in the United States".
and
"There are 4 unique 'Donald Doss' full names in Missouri".