The Nameless one, or
TNO to his
friends, is the main character of
Planescape Torment. He seems to be a
dead guy, and his friends include a talking
skull, a
succubus, and a
tiefling babe called
Annah. Together, they explore the city of
Sigil and diverse
Outer Planes.
Finder Wyvernspur was known as the
Nameless Bard, but is not the same as
TNO.
Finder vists
Sigil in one of the
Lost Gods novels.