 Bruce Banner in the Animated version. Dr. David Banner is a brilliant scientist but, one day, a lab experiment that he is working on goes terribly awry. Since that time, whenever he is under extreme stress, his body undergoes a transmogrification and he morphs into  The Incredible Hulk.  The Hulk is about seven feet tall, hugely muscular and powerful, and has bright green skin. After destroying whatever threatens Dr. Banner, he morphs back to normal human form with only amnesia and tattered clothing as evidence of what just transpired. As you can well imagine, this situation is quite troubling for Dr. Banner and causes him no end of problems.