B-Der (B-DaPlayer or B-Shot in the English dub of Battle B-Daman and B-Daman CrossFire respectively) describes a person that uses a B-Daman to participate in the sport of B-Daman. Usually, in the anime series of any iteration of the B-Daman franchise, the main protagonist is an aspiring B-Der who strives to become the best, gaining friends and rivals along the way, and villains to go up against. 

Community content is available under CC-BY-SA unless otherwise noted.