<P> During the movie, she and Dash combine their powers to create the IncrediBall (named in the video game), a tactic in which Violet generates a force field around herself, and Dash uses his speed power to use the ball like a cannonball or battering ram . Her struggle with her shyness and lack of confidence constitutes a major side story in the movie; she is spurred on by Helen's encouragement that she has more power than she realizes and that she just has to believe it . In the end, Violet sheds her shyness and ends up at the confident side when her crush Tony Rydinger asks her for a date . </P> <P> Unlike her normal clothes, her red superheroine suit, designed by Edna Mode, also turns invisible when Violet does . </P> <P> Dashiell "Dash" Robert Parr (voiced by Spencer Fox and Huck Milner) is a speedster . While he is only as strong as the average 10 - year - old boy, the film's official website lists "enhanced durability" amongst Dash's powers, which is implied in the film by the amount of incidental high - speed collisions and crashes Dash endures without apparent injury . Dash also discovers throughout the course of the movie that his speed allows him to be able to run over water without submerging . </P> <P> Dash would like to go out for sports, but his mother Helen will not allow it because she thinks that he would show off his superspeed and blow the family's civilian cover . To vent his frustration, Dash uses his power to play pranks on his teacher, Bernie Kropp, which also threatens their cover . </P>

Who is known as the super fast boy in the series the incredible