25 Classic Commercials Boomers and Gen-Xers Remember

Before Ralph ate the whole thing, we had this earworm. Alka Seltzer’s mascot, Speedy, would sing, “Plop plop, fizz fizz, oh what a relief it is!” Speedy was stop-motion animated, like a Rankin-Bass character. People would sing this song whenever they plopped into the water or randomly throughout the day when it got stuck in their heads.