From a One Piece-inspired pirate club in Tokyo to a strength spot in Oklahoma, fitness pros are using your favorite characters to help achieve your goals.

Instruments of a Beating Heart” follows a group of first graders in Japan who form an orchestra to play Beethoven’s “Ode to Joy,” as part of a welcoming ceremony for the incoming class of 6-year-olds.

Fox Con, which features vendors, artists, illustrators and cosplayers, will be held from 11 a.m. to 4 p.m. Feb. 15 in Fox ...