Back in the 1940s Pepsi actually had a pair of mascots, two police officers. They featured on signs and even had their own comic strips. The strips were similar in many ways to the Hostess superhero ads found in many an old comic book, although the stories played out more like a Popeye cartoon. After getting into some kind of a bind, the big cop would server as a distraction while the little cop drank a bottle of Pepsi and gained super-strength (does that mean that Pepsi tastes like spinach?). He would then save the day with the power of Pepsi.
Here are two such comics: