The show revolves around a suburban family with superpowers and specifically 15-year-old twins, one a superhero and one a superhero wanting to be a supervillain. They moved to Hiddenville to live normal lives.
Cast and characters
Kira Kosarin as Phoebe Thunderman, a 15-year-old super heroine twin to Max, and older sister to Nora and Billy. She's very responsible, a straight-A student, and tries to play by the "no powers" rule. She has a quite obvious crush on Cole Campbell. Phoebe is older than Max by 20 seconds. She has telekinesis, freeze breath, and heat breath. It is revealed that in the episode "Thundersense" Phoebe develops a new ability called Thundersense that warns her if herself and others are in danger.
Jack Griffo as Max Thunderman, a 15-year-old supervillain twin to Phoebe, and older brother to Nora and Billy. He wants to attend Villain U when he's older. His basement bedroom serves as his "evil lair", and it is also where he keeps Dr. Colosso (A rabbit) . He has the same powers as Phoebe. It is revealed in the episode "Thundersense" Max also develops his "Thundersense" and that Max is 20 seconds younger than Phoebe. His middle name is revealed to be Octavious and his first name to be Maximus in the episode "Winter Thunderland".
Addison Riecke as Nora Thunderman, the youngest of the Thunderman children, and a mischievous 9-year-old little sister to Phoebe, Max, and Billy. Her superpower is heat-vision. She can easily recruit Billy into any scheme of hers as she scares him a bit. It is said in the episode "Max's Minions" in season 2 that she is 9, and Billy is 11.
Diego Velazquez as Billy Thunderman, the 3rd born Thunderman child. He is an energetic (and dimwitted) 11-year-old little brother to Phoebe, and Max, and older brother to Nora. His superpower is super-speed. It is revealed in the episode "Dinner Party" that his full name is William. It is said in the episode "Max's Minions" in season 2 that he is 11, and Nora is 9.
Chris Tallman as Hank Thunderman, the husband to Barb and father to Phoebe, Max, Nora, and Billy whose superhero alias is Thunderman. His superpowers are flying and super-strength but has a little of each person powers and uses them if needed. He has now half-unwillingly retired as a superhero in order to give his kids a stable and normal home. He still uses his powers to fly to places around the world, usually to get food from specific areas like chili powder from Chile and Macadamia Nuts from Hawaii.
Rosa Blasi as Barb Thunderman, wife to Hank and mother to Phoebe, Max, Billy, and Nora. Her superpower is controlling light and lightning. Unlike her husband, she is completely okay with leaving her superheroine life behind her. She is good at stacking cups, and agrees with her husband that Max is going through a super villain "phase" that needs to end, as it was revealed in the episode "Phoebe vs. Max." It is revealed in the episode "Weird Science Fair" that her full name is Barbara. It is revealed that in the first episode her superhero name was "Electris"
Dana Snyder as Dr. Colosso, was one of the world's greatest villains and Hank's former arch nemesis, until Hank turned him into a rabbit while still Thunderman. He is kept in Max's bedroom. It is shown that he loves Max very much. His puppet is performed by Stephen, Edward, & Charles Chiodo.
Audrey Whitby as Cherry, Phoebe's best friend who is bubbly and somewhat dimwitted. She's unaware of that the Thundermans have superpowers even though she witnessed them herself (the family convinced her they were practicing a play).
Haley Tju as Darcy Wong, a mischievous girl who lives in the neighborhood and suspects that the Thunderman family have a secret. She once kidnapped Dr. Colosso and tried to make him talk. She was also pranking people and destroying property in the Neighborhood in the episode "Crime after Crime"; people thought it was Max because he was caught sneaking out.
Teala Dunn as Kelsey, a girl who is friends with Phoebe and Cherry.
On August 3, 2012, Nickelodeon announced The Thundermans as one of its upcoming live-action shows.