Professor Kay's charts about Characters
Character Roles How a character can contribute to the story
Protagonist The audience wants to know if this character will achieve the objective of their storyline.
Antagonist A character who makes it difficult for the protag to achieve their objective.
Supporting character A character who helps the protag achieve their objective.
Mentor A character who teaches the protag how to arc.
Reflective character A character who pursues (a similar / the same) objective as the protag. You can compare & contrast them!
Trophy characterA character who is the protag's objective.
Surrogate characterA character who substitutes for (another character / the audience / the storyteller).
Collective characterA group of characters who are so unified by their objective, you can plot them as a single protagonist.
Background characterAn extra! A character who demonstrates how the setting works.
InfodumperA character who shares exposition w/ the audience.
InterrogatorA character who prompts the Infodumper to share exposition.
Character Background Who the character is, before the story begins
Characterization Who, exactly, is this character? Customize them, in a way that fits their role!
Backstory Does this character have any (history / beliefs / ambitions / expectations) that are relevant to their storyline?
Routine How would this character be (Feeling / thinking / behaving), if they weren't participating in the story? What is their everyday status quo?
Character Morality How the audience judges the character
Babyface A character who (feels / thinks / behaves) in ways that the audience will cheer for.
Heel A character who (feels / thinks / behaves) in ways that the audience will boo.
Tweener A character who (feels / thinks / behaves) in ways that the audience will feel conflicted about.