fictitious character vs Don Quixote

fictitious character and Don Quixote both are nouns.

Word	Noun	Adjective	Verb	Adverb
fictitious character	Yes	No	No	No
Don Quixote	Yes	No	No	No

fictitious character (noun)	Don Quixote (noun)
an imaginary person represented in a work of fiction (play or film or story)	any impractical idealist (after Cervantes' hero)
	the hero of a romance by Cervantes; chivalrous but impractical