Peter Pan vs fictitious character

Peter Pan and fictitious character both are nouns.

Word	Noun	Adjective	Verb	Adverb
Peter Pan	Yes	No	No	No
fictitious character	Yes	No	No	No

Peter Pan (noun)	fictitious character (noun)
the main character in a play and novel by J. M. Barrie; a boy who won't grow up	an imaginary person represented in a work of fiction (play or film or story)
a boyish or immature man; after the boy in Barrie's play who never grows up