Simon Legree vs fictitious character

Simon Legree and fictitious character both are nouns.

Word	Noun	Adjective	Verb	Adverb
Simon Legree	Yes	No	No	No
fictitious character	Yes	No	No	No

Simon Legree (noun)	fictitious character (noun)
the cruel slave dealer in an anti-slavery novel by Harriet Beecher Stowe	an imaginary person represented in a work of fiction (play or film or story)
a cruel employer who demands excessive work from the employees