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In the anonyponymous, biographical history and the dictionary intersect in the realm of the ridiculous - and also of the remarkable, the delightful, and the fascinating.
I do, however, want to propose the earl as patron saint of the anonyponymous.
The Earl of Sandwich is famous for being the man behind a word that most people never thought was named after anyone, a man both anonymous and eponymous or, to coin a term, anonyponymous.
To be considered anonyponymous, a word must pass the Viennese pipe test.