>Technically speaking, I suppose, the term for DJ is 'Mary Sue' or the
>male equivalent, because he's not actually any real person.

Geoff, no. "Mary Sue" was the ostensible Original Self Insert, back in the days when Trek fanfiction was mimeographed and handed around.

-- Bob
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Bill Gates is a white Persian cat and a monocle away from becoming another James Bond villain: "No, Mr. Bond, I expect you to upgrade." -- Dennis Miller