Balrog is a powerful heavyweight boxer and a recurring character in the Street Fighter series, including Street Fighter IV. Originally introduced as one of the bosses in Street Fighter II, he is known for his brute strength, boxing prowess, and aggressive fighting style. Balrog works as an enforcer for the criminal organization Shadaloo, serving under M. Bison. His role in Street Fighter IV is that of an antagonist, driven by greed and a desire for wealth and fame, making him a formidable opponent for the protagonists.