Rumor: Little Mikey of LIFE cereal fame died when he mixed Pop Rocks with a soda and my stomach blew up,” he said, recalling a long-ago urban legend. Wacky and wonderful site for Pop Rocks candy. Learn about the urban legend, play games and order on-line. Supposedly, Mikey's stomach exploded from the combination of Pop Rocks and soda mix and he died. Is it.