Savage

Origin
Brian Savage is a former professional heavyweight boxer. He was a 5-time champion, easily taking down his opponents in 5 rounds or less on average. He is also a very intelligent individual. He had excelled during his high school and college years, majoring in Biochemistry. During his college years, he had taken up boxing as a hobby and something to do on the side while he worked his way through college. After he graduated, he decided to take up boxing full time. He had amassed a record of 20-0-0 until one fight forever changed him.

He was going into a match about to defend his heavyweight belt for the 6th time. He was defeated by TKO in the 10th round, delivering him his first ever loss and he lost the heavyweight belt in a massive upset. The loss enraged him and he vowed revenge on everyone involved in that fight. He created a serum that he named the "Savage Serum" which, once he injected it into himself, bulked up his muscles, greatly increasing his strength and his overall weight/body mass. It also gave him superspeed, and increased his height slightly. The serum also had a side effect similar to chemotherapy where it caused his hair to fall out, which is why he wears a mask. With the serum flowing through his body, he took his rage out on everyone that cost him his heavyweight title: His trainers, the referee of that fight, his opponent, his opponent’s trainers, and the fight promoter. He murdered them, 10 people in all. He then quickly fled the scene, never being found or convicted of the murders. He has since turned to a life of crime, making others suffer as he has.