HortonHears a Who! was released theatrically in the United States on , by 20th Century Fox. The film was well-received by critics, who praised its writing, visuals, and faithfulness to the source material, and grossed $298 million on a budget of $85 million. JoJo McDodd is Ned and Sally 's only son and tritagonist of Horton Hears a Who!. As the oldest child, he's next in line for being the Mayor of Whoville. He is voiced by Jesse McCartney. JoJo is apathetic and introverted, distinguishing him from the more cheerful Whos. Jo-Jo is the tiniest and bravest Who in the story, who saves his people by making a sound. Learn more about this symbolic character and his role in Seuss's classic tale of environmentalism and activism. · Find out who voiced JoJo McDodd and other characters in the 2008 animated movie Horton Hears a Who! based on Dr. Seuss' book. See the full list of voice actors, characters, and credits on Behind The Voice Actors. · This article will explore why Jojo’s arc is so significant to the overall story of “HortonHears a Who!” and delve into how his character embodies the film’s themes of individuality, perseverance, and the transformative power of self-expression. Narrator: [epilogue] And so, all ended well for both Horton and Who's, and for all in the jungle, even kangaroos. So let that be a lesson to one and to all; a person is a person, no matter how small. · By overcoming his fears and embracing his unique voice, Jojo embodies the core themes of HortonHears a Who!, reminding us of the importance of individual agency, collective action, and the courage to stand up for what is right.