about the movie horton hears a who

The movie Horton hears a who is about an elephant finds a spec with a whole village on it called whovill the whovill mayor has 96 daughter and 1 son named jo-jo he does't talk at all till the end of the movie and he always sneaks out to the old star wacth and went their to help his village and horton the elephant so that hortons town will be live him that their are tiny people on the spec and all the noise that jo-jo makes