Cast Mario/Horton Hears A Who is a parody with Horton Hears A Who sounds and Mario clips and it will come out September 14, 2012 by Kenny Wayne Redman. * Diddy Kong as Horton * Mario as The Mayor of Whoville * Peach as Sally * Birdo as Katie * Yoshi as Jojo * Goombas as Monkeys * Goomboss as King Monkey * Wendy O Koopa as Kangaroo * Waluigi as Rudy * Toadette as Mrs. Quilligan * Toad as Tommy * Baby Yoshi as Morton * Bowser as Vlad * Blue Toad and Yellow Toad as Hedy and Hooly * Pauline as Helen More Coming Soon