Chicken Little vs fictitious character

Chicken Little and fictitious character both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chicken Little	Yes	No	No	No
fictitious character	Yes	No	No	No

Chicken Little (noun)	fictitious character (noun)
a fictional character who was hit on the head with an acorn and believed that the sky was falling	an imaginary person represented in a work of fiction (play or film or story)