Gyro is a cocky and flamboyant executioner marked by the harshness of life, who participates in the Steel Ball Run for the sake of a young boy. Gyro is an experienced and capable equestrian, competent enough to ride across many types of terrain and be a serious competitor in the Steel Ball Run. His riding style can be summed up as aggressive, Gyro seeks to remain at the first place constantly, and takes dangerous shortcuts when he deems it necessary. When another rider challenges him, Gyro will actively try to get rid of him. His beloved horse is named Valkyrie. Related to that Gyro is knowledgeable about horses, particularly Valkyrie whose abilities and limits he can gauge at any moment.