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.
An adherent of the realism movement; an artist who seeks to portray real everyday life accurately.
An advocate of realism; one who believes that matter, objects etc. have real existence beyond our perception of them.
One who believes in seeing things the way they really are, as opposed to how they would like them to be.