James Isaac "Jimmy" Neutron is the titular main protagonist of Nickelodeon's franchise with the same name, and one of the two titular main protagonists (alongside Timmy Turner) of the crossover trilogy, The Jimmy Timmy Power Hour. He is the world's smartest 11-year-old. He is named after scientists Sir. Isaac Newton, and James Chadwick who was nicknamed "Jimmy Neutron", because of his discovery of the neutron. Jimmy is a genius inventor, but some of his inventions go horribly wrong and it is usu