un·​known - adjective

: not known or not known well

: also having an unknown value

un·​known - noun

: something that requires discovery, identification, or clarification

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char·​ac·​ter - adjective

: requiring or involving the portrayal of an unusual or eccentric personality

char·​ac·​ter - noun

: a person or an individual

: one of the attributes or features that make up and distinguish an individual

: the complex of mental and ethical traits marking and often individualizing a person, group, or nation

: reputation

char·​ac·​ter - transitive verb

: represent, portray