Thurl Arthur Ravenscroft (/ˈθɜːrl ˈreɪvənzkrɒft/; February 6, 1914 – May 22, 2005) was an American actor, voice actor and bass singer known as the booming voice behind Kellogg's Frosted Flakes animated spokesman Tony the Tiger for more than five decades. He was also the uncredited vocalist for the song "You're a Mean One, Mr. Grinch" from the classic Christmas television special, Dr. Seuss' How the Grinch Stole Christmas![1]