This document discusses different types of characters in literature. It defines protagonists as the main characters, and lists four types: the hero, anti-hero, tragic hero, and caricature. It also defines five types of antagonists, or opposing characters: the main antagonist, nemesis, shape-shifter, change agent, and romantic angle. Six types of supporting characters are outlined: the sidekick, mentor, foil, comic relief, extras, and chorus. Finally, it discusses two types of character development: flat characters that do not change, and round characters that undergo development.