Who is Karen Reyes?

Karen Reyes is a fictional character from the graphic novel series "Ghosts" created by Raina Telgemeier. She is a young girl who moves to a new town with her family and struggles with her feelings of isolation and fear, particularly regarding her sister's health issues. The story explores themes of family, friendship, and confronting fears, featuring Karen's journey as she navigates her relationships and the supernatural elements in her new environment.