You remember Sherlock Holmes' stories, right?

Sherlock Holmes, the good detective, is the protagonist.

Professor Moriarty, Sherlock's evil rival, is the antagonist.

What about the story of the "Three Little Pigs"? Who are its protagonists and antagonists?

How about the "Wizard of Oz"?

Between Dorothy, who wants to return home, and the wicked witch, who tries to stop Dorothy from leaving Oz,

who is the protagonist, who is the antagonist?

The protagonist is the main character, or hero, of the story.

Readers empathize with the protagonist.

The antagonist is the main opponent of the protagonist.

Readers hope the protagonist will defeat the antagonist.

In "Peter Pan", who is the protagonist, who is the antagonist?