Billy Thunderman is the middle child and the youngest son of Barb and Hank Thunderman, with his older brother and sister, Max and Phoebe and his younger sisters, Nora and Chloe. Billy, with the rest of the Thundermans, is member of the superhero team the T-Force and their headquarters is their house in Hiddenville. His superpower is Super-Speed as well as Bladder Control. And his little best friend sister Nora came up with the superhero name: Kid Quick!