Robert Bruce Banner is an antagonist turned supporting character in 2009 movie "Hulk Vs." and TV Series "Wolverine and the X-Men" and one of the main protaonists of TV Series "The Avengers: Earth's Mightiest Heroes". He was a normal human scientist until he was exposed to gamma radiation which turned him into a big green monster called the Hulk. He is one of the first five founding heroes of the Avengers and serves as the main powerhouse of the team.