John Alexander Davis is an American film director, screenwriter, animator, voice actor, composer, and astrophotographer known for his work both in stop-motion animation as well as computer animation, live action and live-action/CGI hybrids. Davis is best known for directing the Nickelodeon animated film Jimmy Neutron: Boy Genius, which earned him an Academy Award nomination for the Best Animated Feature, and creating its sequel television series The Adventures of Jimmy Neutron, Boy Genius.