The Hulk (Dr. Bruce Banner) is a fictional character, a superhero in the Marvel Comic universe. Created by Stan Lee and Jack Kirby, he first appeared in The Incredible Hulk #1 in 1962. Dr. Banner a socially withdrawn and emotionally reserved physicist, was transformed into the Hulk after being caught in the blast of his gamma bomb while saving Rick Jones. Physically transforming into the Hulk under emotional stress at will or against it, Dr. Banner becomes a large green humanoid.