Thurl Ravenscroft is perhaps better known as the voice of Tony the Tiger in TV commercials. Dr. Seuss was initially uninterested in animating this or any of his books, but Chuck Jones managed to persuade him. Dr. Seuss disputed casting Boris Karloff for fear that he would make the Grinch too scary. Dr. Seuss wrote the lyrics to all the songs. Thurl Ravenscroft received no screen credit for his singing, an oversight Dr. Seuss attempted to rectify by sending letters to every major col ...[Read Story ]