Blank Park Zoo is the winner of Lessing-Flynn Advertising Co.'s fourth annual Battle of the Brands competition. The zoo beat out Casey's General Stores Inc. in the final round of voting. It wins $5,000 in marketing support services from Lessing-Flynn to give to a charitable organization. Battle of the Brands is an NCAA basketball tournament-style 64-member bracket, which allows community members to vote on their favorite brands to advance to the next round.