Gerald is an elite wrestler with a tough body who began training at the young age of four. Although he is a newcomer in the world of Mixed Martial Arts, There are great expectations for his future. During his university days, He was an active American football player. His special move is a fierce facebuster called a "Monster Buster" (モンスターバスター Monsutā Basutā?).
Prior to the events of the Street Fighter III series, He fought against Alex in the semi-finals of the Vale Tudo Eternal Fighting tournament and was defeated with a shoulder tackle. After Street Fighter III, he participated in the Pan-American Fighting Championship and was defeated by Ken who used a single Shoryuken in the finals, The match lasting only 30 seconds.