Dawn Swatworthy (Tara Strong) is the main antagonist of the series.
Dawn has two friends that always follow her. She is very vain, snobby, shallow, bad-tempered, self-centered, and is the school's most popular girl. Dawn is genuinely uncaring towards the others. Gym Shorts Kid is her biggest fan and often gives her his shorts as gift for respect. Dawn and Maggie are rivals.
Dawn sees herself as a celebrity and has huge thoughts about herself. Dawn is very mean and snobby.