Mini Mario is a Mario form in New Super Mario Bros. that Mario can obtain if he grabs a Mini Mushroom. Mario becomes smaller and can fit through most tiny gaps as well as run on water and jump higher. B ut just like regular Mario, if he is hit he automatically dies. In New Super Mario bros., if Mini Mario defeats Mummipokey in World 2 and Petey Piranha in World 5 he will move onto World 4 and World 7 instead.