Regina "Reggie" Rocket is one of the main characters of Rocket Power. She is Otto's 12-year-old sister, and lives in Ocean Shores, California. Her name is a diminutive of the name Regina, which comes from the Latin and means "queen" or "of queenly attribute." Reggie is an aspiring publisher who, while no less competitive and skillful as an athlete, is of calmer disposition and greater maturity. Reggie is most noted for her "magazine" (dubbed "The Zine").

