Balrog, known as Mike Bison (マイク・バイソン Maiku Baison?, commonly abbreviated as M. Bison) in Japan, is a character from the Street Fighter fighting game series. Balrog is depicted as an African American boxer wearing blue trunks with white trim and a torn white shirt under a blue tank top. He wears red boxing gloves and boxing shoes. His hairstyle consists of short hair cut in an odd pointing style in the front, similar to Mike Tyson's haircuts from the time Street Fighter II was made. In some character illustrations his Japanese name, "Bison", can be seen on the waistband of his trunks, although it's usually removed when these illustrations are published outside Japan. In Street Fighter IV, the waistband now reads "champion".
A character named Mike, who was also an African-American boxer, appears in the original Street Fighter. Although, recognized as a separate character, Mike is considered to be a prototype of Balrog due to their similar names (when one considers Balrog's Japanese name of Mike Bison) and backstories.
Balrog appears in Street Fighter II as the first of four CPU-controlled opponents at the end of the single-player tournament. Balrog would become a playable character in subsequent revisions of the game, beginning with Street Fighter II ': Champion Edition. Balrog is characterized as aghetto-raised boxer seeking the "American Dream" and one of the "Four Devas" (Shitennou "Four Heavenly Kings") of Shadaloo.