Frank Hardy is the older Hardy brother and a thoughtful, determined teenager who loves solving mysteries. After moving to Bridgeport with Joe, Frank becomes involved in a dangerous mystery connected to their father, Fenton. He is observant, intelligent, and careful when investigating clues, often balancing his desire to uncover the truth with his responsibility toward his family and friends. Gf: Callie

Joe Hardy is Frank Hardy’s younger brother and a confident, energetic teenager who loves getting involved in mysteries. He can be impulsive and curious, often acting before thinking, but his determination and quick thinking make him an important part of the Hardy brothers’ investigations. Joe cares deeply about Frank, his family, and his friends, and he isn’t afraid to take risks when someone needs his help. He lives in bridgeport. He is 15 years old

Biff Hooper is a confident, adventurous, and loyal member of the Hardy boys’ friend group. She is curious and determined, always ready to help Frank and Joe when they find themselves caught up in another mystery. Her mom name Jesse Hooper is a police officer, but Jesse doesn’t know that Biff has been helping the Hardy boys with their investigations, or being involve with the boys. Biff keeps it quiet because she knows her mom might not approve of her getting involved. She is close friends with Joe hardy. Lives in bridgeport. Also a 15 year old kid

Callie Shaw is a smart, confident, and determined friend of the Hardy brothers. She is observant and resourceful, making her a valuable part of the group whenever a mystery needs solving. Callie isn’t afraid to ask questions, follow clues, or stand up for what she believes is right. She enjoys spending time with Frank, Joe, and the rest of the group while helping them uncover the secrets surrounding Bridgeport. Boyfriend: Frank. Lives in bridge port

Chet Morton is Frank Hardy’s good friend and one of the most loyal members of the group. He is friendly, energetic, and always ready to help when Frank and Joe get pulled into another mystery. Chet often brings humor to the group, but he can also be brave and determined when things get serious. He enjoys spending time with his friends and is always willing to join their investigations. Ex gf: Callie lives in bridgeport