Elon Musk is called the real world Iron Man. The Iron Man of the comic book or movie screen is a genius, he comes up with all the great ideas, and by using them he has built a mountain of money himself, as well as trying to benefit the people of the world. Elon Musk is a lot like that. He worked day and night to come up with new technology ideas. They have made billions of dollars using them. Again, he spent those dollars on projects to improve the lives of the people of the world.