The madder Hulk gets, the stronger Hulk gets!" This condition is more of a curse than it is a power, given the complications Dr. Bruce Banner's alter ego causes him, but it obviously makes for great art and theater. Because Dr. Banner, a physicist, is a withdrawn, shy person, Hulk is in some ways an expression of his subdued emotions, like rage. Hulk's often a favorite of more introverted guys who bottle up what’s inside.