Some common types of supporting characters include: love interest, antagonist, best friend, mentor, sidekick, comic relief, and caregiver.
Some examples of well-known supporting characters include Watson in the Sherlock Holmes stories, Donkey in the Shrek films, and Ron Weasley in the Harry Potter series.
No matter what type of supporting character, they all help the protagonist achieve their purpose, advance the story, or have personal growth.
[5] Supporters include caregivers, love interests, comedic relief, and close friends.
Ron Weasley and Hermione Granger in the Harry Potter universe are examples of supporters.