Any person or character who displays quixotism.
A famous 1605–1615 Spanish novel by Miguel de Cervantes (1547–1616), whose full title is El ingenioso hidalgo don Quijote de la Mancha (The Ingenious Gentleman Don Quixote of La Mancha).
The protagonist of this novel.
Someone who has visions; a seer.
Someone who has positive ideas about the future.
An impractical dreamer.
imaginary or illusory
having vision or foresight
idealistic or utopian
prophetic or revelatory