who sings the theme song for the grinch
Thurl Ravenscroft Thurl Arthur Ravenscroft (/ˈθɜːrl ˈreɪvənzkrɒft/; February 6, 1914 – May 22, 2005) was an American voice actor and bass singer known as the booming voice behind Tony the Tiger's "They're grrreat!" in Kellogg's Frosted Flakes television commercials 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]