Energizer hit the mascot goldmine with its ubiquitous, sunglasses- and sandals-sporting bunny. For the past 25 years, the sassy animal has been drumming it up commercials and moving product for the battery company. The mascot was developed in 1989 to mock Duracell battery ads, which featured pink bunnies. Artist Eric Allard designed the one-off concept, but it grew in popularity -- and kept going and going and going...