Iron Man - Tony Stark
Anthony Edward Starkbut we all lovingly know him as the Iron Man, he was extremely intelligent growing up with great things been predicted for him.
He went to boarding school and that's where people started to see his fascination with machines and by the time he was 15 he was already ready to join MIT and wouldn't we know it by 19 he graduated with a master's in both engineering and physics.
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He lost both his parents when he was 21, he was later injured by his own weapon which left a piece of metal to close to his heart, Yin Sen then created the arc reactor which kept him alive this was all sone while been captured by Wong-Chu, Tony later created a suit and escaped saving his life.
He avenged the death of his friend Yin Sen and that's how we came about to have the iron man protecting the earth.