Character

Protagonist - a protagonist is the main character. Like The Crystal Gems (Garnet, Amethyst, Pearl and Steven Universe) from Steven Universe

Antagonist - an antagonist is the bad person in stories. Like gems from homeworld form Steven Universe

Catalyst - the person who changes the story. Like Dr Kalmenius from Clockwork.

Round character- A character who has many character traits. Like The Crystal Gems (Garnet, Amethyst, Pearl and Steven Universe) from Steven Universe

Flat character-archetype- caracatures- A character who doesn't have many character traits. Like Steven Universe's Dad (Greg Universe) from Steven Universe

A growing character- someone who changes throughout the story. Like Steven Universe from Steven Universe

Foil character-