Melody is a main character. She impacted the story by making it interesting. She changed overtime. Melody changed by getting her singing voice back, growing feathers, convincing people to do stuff, learning she's a siren (a siren is a bird that has a very beautiful voice) and that she belongs somewhere. Her role in the story was to make everyone like her by growing feathers stoping Bekka, and helping Hailey. Jackson and DJ Hide aren't main characters. Jackson impacted the novel by making it funny. Jackson literally changed overtime. Jackson changes into DJ when he starts to sweat. This change happens because of his relative, Docter Jykell Hide (DJ Hide), who experimented on himself, and eventually died, so there's some sort of a chemical
