After discovering a chemical substance, which he called Pym Particles, that would allow the user to alter his size, he armed himself with a helmet that could control ants.
Nakon što je otkrio kemijsku supstancu, koju je nazvao Pym čestice, koji bi omogućio korisniku da promijeni svoju veličinu, on je naoružan kacigom koja bi mogla kontrolirati mrave.