Who are the characters in mockingbird by kathryn erskine?

Theres Caitlins family of her, her dad and her brother Devon who recently passed. Theres one of her enemies, Josh. Then theres her counslor Ms Brookes. She has a first grade friend named Micheal. Some girls in her class: Emma and Lauren. Then obviously other minor characters like her gym teacher Mr Mason and other kids. Also Josh's Cousin whos a shooter