Beginning today, WWE superstar John Cena and Bamm-Bamm will replace Fred Flintstone on the front of more than 8 million Post Fruity Pebbles and Cocoa Pebbles cereal boxes as part of a promotional ...

The WWE Superstar is replacing Fred Flintstone for a limited time on the popular Fruity and Cocoa Pebbles cereals. Cena is not totally suplexing the Flintstones off the cover of the box as Bamm ...

adding multicolored marshmallows, setting bear traps in the cereal aisle. Now Post, maker of the classic Flintstones-themed Fruity Pebbles, has created "Poppin' Pebbles," an explosive Pop Rocks ...

Now Post, maker of the classic Flintstones-themed Fruity Pebbles ... "Multicolored Flakes That Go Boom In Your Mouth When You Eat Them." Bamm-Bamm, all grown up, became Robert-Robert.