This title originally belonged to the genius scientist Hank Pym after inventing the atom that allowed him to change size; however, Scott Lang and Eric O’Grady also took the title of Ant-Man. Biologist, physicist and nuclear expert Dr. Henry ‘Hank’ Pym decided to become a superhero after discovering a chemical (Pym particle) that allowed users to change their size. Mama Of House Messy Queen Of The Coffee Mother Of Dragons. Turning it into an armor with a helmet capable of controlling ants, Pym can shrink himself to the size of an insect to become an ant. He soon shared his discoveries with his girlfriend Janet van Dyne, his teammate against his criminal nickname Wasp. The couple became the first members of the Avengers squadron, battling rivals like mad scientist Egghead, Whirlwind mutant, and Ultron.