The protagonist Luz Noceda is a Dominican-American teen voiced by Sarah-Nicole Robles, with her best friends Willow (voiced by Tati Gabrielle, Black) and Gus (voiced by Issac Ryan Brown, Black), creating a diverse core group that feels somewhat organic to the magical demon world setting but emphasizes representation in lead roles. Luz is explicitly confirmed bisexual by creator Dana Terrace via visual cues like posters of male and female crushes in her room and her developing crush on Amity, marking Disney's first bi lead and influencing her character arc around self-acceptance and crushes.

Themes center on found family, anti-conformity, bullying resistance, and neurodiversity (Luz as an enthusiastic 'weird' kid), with light messaging on embracing differences that aligns with identity politics but serves the plot rather than lecturing. Terrace fought Disney executives to include queer mains from the outset, showing activist intent.

Early reception was overwhelmingly positive with high ratings and Emmy nods, but drew conservative backlash from groups like One Million Moms labeling it 'demonic' rather than overtly 'woke'; significant 'woke' criticism emerged later for the series. These elements are prominent in casting and identity but secondary to humor, magic, and adventure, avoiding heavy dominance or source alterations.