'Horton Hears a Who!' (also known as 'Dr. Seuss' Horton Hears a Who!' or simply 'Horton') is a 2008 American computer animated adventure comedy film based on the 1954 book of the same name by 'Dr. Seuss', produced by Blue Sky Studios and distributed by 20th Century Fox. Directed by Jimmy Hayward and Steve Martino in their directorial debuts, the film's screenplay was written by Cinco Paul and Ken Daurio, and features the voices of Jim Carrey and Steve Carell as 'Horton the Elephant' and 'Mayor Ned McDodd', respectively, alongside Carol Burnett, Will Arnett, Seth Rogen, Dan Fogler, Isla Fisher, Jonah Hill, and Amy Poehler. John Powell composed the film's musical score. It is the second screen adaptation of the book following the 1970 television special.

The film was released theatrically on March 14, 2008 to generally positive reviews, and grossed $297 million on a budget of $85 million. 'Horton Hears a Who!' was the third 'Dr. Seuss' feature film adaptation, the first adaptation to be fully animated, and the second 'Dr. Seuss' film starring Jim Carrey after 'How the Grinch Stole Christmas' (2000).

'Ned McDodd' is the mayor of 'Whoville' and the deuteragonist of 'Horton Hears a Who!'. He is the father of 96 daughters and one son. He is voiced by comedian Steve Carell. 'Ned' is described as "devoted, fair, and a little bit odd". He takes his job as Mayor seriously and enthusiastically, despite having the 'Town Council' waiting for him to screw up.

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