The Visitor, also known as "The Suave Gentleman", is a legendary, mythic figure from myth and legend. His legend, however eventually became obscured and unknown due to interference from the Fears. His tale was eventually relegated in a children's tale called "The Tale of the Visitor" where the Visitor was unceremoniously killed off by EAT.
Yet, it is rumored that he still lives. So somewhere out there, you might meet a man...who visits.