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http://en.wikipedia.org/wiki/Question_Mark_&_the_Mysterians

The band’s frontman and primary songwriter was ?. Though the singer has never confirmed it, Library of Congress copyright registrations indicate that his birth name is Rudy Martinez. His eccentric behavior helped to briefly establish the group in the national consciousness. He claimed (and still claims) to be a Martian who lived with dinosaurs in a past life, and he never appears in public without sunglasses.