Hank Thunderman is the super-strong father of the Thunderman family and a former superhero known as Thunder Man. He is married to Barb, also a superhero, and is the father of Max, Phoebe, Billy, Nora, and Chloe. Hank loves his family but can be overprotective and competitive. In normal life, he works as a real-estate agent while secretly balancing family life with his superhero past.

Barb Thunderman is the superpowered mother of the Thunderman family and a former superhero known as Electress. She is married to Hank and the mother of Max, Phoebe, Billy, Nora, and Chloe. Barb is loving, intelligent, protective, and often keeps Hank grounded. In her normal life, she focuses on raising her children and managing the family, while still embracing her superhero abilities and past.

Phoebe Thunderman is Hank and Barb’s daughter and Max’s twin sister. She is Billy, Nora, and Chloe’s older sister. Phoebe is responsible, intelligent, kind, and determined to become a superhero. She uses powers such as telekinesis, freezing, and heat breath while balancing school, friendships, family responsibilities, and her rivalry with Max.

Max Thunderman is Hank and Barb’s son and Phoebe’s twin brother. He is Billy, Nora, and Chloe’s older brother. Max has superpowers including telekinesis and often dreams of becoming a supervillain, competing with Phoebe. Despite his mischievous nature, he cares deeply about his family and eventually learns to use his powers for good.

Nora Thunderman is Hank and Barb’s daughter and Max, Phoebe, and Billy’s younger sister. She is Chloe’s older sister. Nora has heat vision and is confident, sarcastic, competitive, and mischievous. She loves her family but can cause trouble with her strong personality. She spends her life balancing school, family adventures, and growing into her superhero abilities.

Billy Thunderman is Hank and Barb’s energetic son and Max and Phoebe’s younger brother. He is Nora and Chloe’s older brother. Billy has super-speed and super-strength and is cheerful, innocent, and sometimes clueless. He looks up to his siblings and enjoys using his powers, while trying to balance superhero training with school and family life.

Chloe Thunderman is Hank and Barb’s youngest daughter and Max, Phoebe, Billy, and Nora’s little sister. She develops teleportation powers and is energetic, curious, and playful. As the youngest Thunderman, Chloe is adored and protected by her family while growing up surrounded by superheroes and learning how to control her powers.

Cherry Seinfeld is Phoebe’s best friend and one of the Thundermans’ closest friends. She is energetic, funny, loyal, and sometimes easily distracted. Cherry initially does not know that the Thundermans have superpowers, but eventually discovers their secret and becomes part of their unusual family life. She supports Phoebe through school, friendships, relationships, and superhero-related adventures.

Dr. Colosso is Max Thunderman’s pet rabbit and former supervillain, who was transformed into a rabbit by Max’s grandfather as punishment for his crimes. He secretly lives with the Thundermans and often gives Max advice about becoming a villain. Despite his grumpy, selfish personality, he becomes part of the family and genuinely cares about Max, occasionally helping him and the rest of the Thundermans.