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.

[2] Ravenscroft left his native Norfolk, Nebraska, in 1933 for California, where he studied at Otis Art Institute.

The group, billed as The Four Merry Men, appeared in three-minute musical films, produced in 1941 by the Featurettes company, for coin-operated jukeboxes.

[3] That same year the Four Merry Men left Featurettes for the more successful Soundies company, and made more jukebox musicals; they were now billing themselves as "The Four Sportsmen".

He served as a keeper navigator contracted to the U.S. Air Transport Command, spending five years flying courier missions across the north and south Atlantic.

The group appeared on camera in a few episodes of the Disney anthology television series; in one instance recording a canine chorus for Lady and the Tramp and in another as a barbershop quartet that reminds Walt Disney of the name of the young newspaper reporter Gallagher.

[8] Singing with the Johnny Mann Singers,[9] his distinctive bass can also be heard as part of the chorus on 28 of their albums that were released during the 1960s and 1970s.

Further roles include that of The First Mate on The Mark Twain Riverboat, a spokesalien for Tokyo Disneyland's Pan Galactic Pizza Port restaurant, and the American bison head named Buff at The Country Bear Jamboree.

He was accidentally uncredited, leading the song to be misattributed to Boris Karloff and Tennessee Ernie Ford.

[13] Ravenscroft sang "No Dogs Allowed" in the Peanuts animated motion picture Snoopy Come Home.

[14] Various record companies, such as Abbott, Coral, Brunswick, and "X" (a division of RCA) also released singles by Ravenscroft, often in duets with little-known female vocalists, in an attempt to turn the bass-voiced veteran into a pop singer.