Thurl Arthur Ravenscroft (February 6, 1914 – May 22, 2005) was an American voice actor and singer with a deep, booming voice. For 53 years, he was best-known as the voice of Tony the Tiger in more than 500 television commercials for Kellogg's Frosted Flakes. Ravenscroft was also the vocalist of the song "You're A Mean One, Mr. Grinch" in the Christmas television special based on the Dr. Seuss classic How the Grinch Stole Christmas!, although his name was accidentally left off of the credits