A: "Tony the Tigers signature line is ""They're Grrrrreat!?ˆ of course he says it with a lot more style. Tony the Tiger was first introduced to the public in 1958 as a mascot for Kellogg's Frosted Flakes cereal. He has been a beloved character for decades. You can find Tony on t-shirts, mugs, posters, clocks, book bags, and many other novelty items. In the 1970's consumers found out that Tony is Italian-American and has a mother, a wife, a son Tony jr., and a daughter, Antoinette."