It spans a video game series , a trading card game , an anime television series , a film series , books , manga comics , music , toys, and merchandise. The franchise is also represented in other Nintendo media, such as the Super Smash Bros. Excluding Sun and Moon , the games feature eight powerful Trainers, referred to as Gym Leaders , that the Trainer must defeat in order to progress. If the trainer can overcome this gauntlet, they must challenge the Regional Champion, the master Trainer who had previously defeated the Elite Four. Any Trainer who wins this last battle becomes the new champion.