Billy the Marlin is the official mascot of the Miami Marlins baseball franchise, and appears at every Marlins home game at which stadium designed in a neomodern form of baseball architecture, and also was LEED certified as the greenest MLB park in 2012?
Billy the Marlin:  He appears at every Marlins home game at Marlins Park, and performs his own routine in the middle of the 5th inning. Marlins Park:  Marlins Park was also LEED certified as the greenest MLB park in 2012.
Marlins Park