Premise: Hulk (comics) . In his comic book appearances , the character is both the Hulk , a green-skinned , hulking and muscular humanoid possessing a vast degree of physical strength , and his alter ego Bruce Banner , a physically weak , socially withdrawn , and emotionally reserved physicist , the two existing as personalities independent and resenting of the other .
Hypothesis: The coloration of Hulk has varied.
Label: CONTRADICTION