30 Days of Marvel, Day 9: Favorite Classic Character
Henry Pym, whose has taken on many aliases such as Ant-Man, Giant-Man, Goliath, or Yellow Jacket. One of the founding members of the Avengers, Henry Pym specialized in taping into particles, aptly named Pym Particles, that increased or decreased his size.
But his power to shrink and enlarge in size is nothing compared to his intellect. His intelligence rivals that of Tony Stark and Reed Richards, typically lending to him as more of a background player than a superhero on the front lines.