Thurl Ravenscroft
Thurl Arthur Ravenscroft was an American actor and bass singer. He was well known as one of the booming voices 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!