(fiction) Mary Sue (without a gender connotation); a genre of fiction characterized by absurdly competent or perfect protagonists

model, exemplar, epitome

character, a fictitious person or creature / personality

(informal, men's speech) I, me / (obsolete, familiar or derogatory) you

I (masculine informal pronoun)

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

original character (a fan-created character in a fanwork)

(fiction) generic bystander character, extra