The antagonist is Jamie's foster brother Stevie kosgrove. He's the antagonist because he makes fun of Jamie that he's in a wheel chair and he posts on the Internet that Jamie isn't funny and other mean stuff. He's also the school bully.

Jamie is the protagonist because he is trying to complete his goal of being the funniest kid comic.

He's also the main character in the story because he's the character that is mostly mentioned in the story. He also has a very important role in the story.

Protagonist and Antagonist and Character