fictitious character vs Lemuel Gulliver

fictitious character and Lemuel Gulliver both are nouns.

Word	Noun	Adjective	Verb	Adverb
fictitious character	Yes	No	No	No
Lemuel Gulliver	Yes	No	No	No

fictitious character (noun)	Lemuel Gulliver (noun)
an imaginary person represented in a work of fiction (play or film or story)	a fictional Englishman who travels to the imaginary land of Lilliput in a satirical novel by Jonathan Swift