Despite being his father’s successor, JoJo does not want to be the next mayor and does not speak out of fear of disappointing his father. When Horton begins to carry the speck with him, the city starts experiencing earthquakes and changes in the weather. 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 member of the Who clan—an already rather tiny population. When the Mayor of Who-ville is desperately running around, trying to get all the citizens of Who-ville to make some noise to avoid certain doom, Jo-Jo is the last person he finds. JoJo is a quiet and introverted individual. Although being resourceful and witty, he's afraid of letting down his fathers dream of taking his place as the future mayor of Whoville. Ned is the father of 96 daughters and one son (JoJo). He is also the mayor of Whoville. · Photos of the HortonHears a Who! (Movie) voice actors. · Jojo, the son of the Mayor of Whoville, is far more than just a supporting character. He represents the potential that lies within each of us to overcome obstacles, find our voice, and contribute to the greater good. · The core of “HortonHears a Who!” centers around Horton, an elephant with a big heart and an even bigger sense of hearing. While he’s enjoying the pleasures of the Jungle of Nool, Horton hears a faint noise – a cry for help emanating from a speck of dust.
