Dr.Henry Jonathan "Hank" Pym is a fictional character and superhero from theMarvel Comics universe, appearing as one of the main protagonists of theAvengers comics, and the main protagonist when he appeared in theTales of Astonish and his titular comics.
He is a scientist who discovered the Pym Particles, a rare group of subatomic particles that he was cable to entrap and used to shrink or grow. He is the first character who has taken on the role ofAnt-Man. During his early tenure, he would meetJanet van Dyne, his partner and later wife, who became "The Wasp" and could also grow big or shrink small. Pym's also a founding member of theAvengers, and has been a member of theDefenders,Secret Defenders,West Coast Avengers,Mighty Avengers,Illuminati, andKnights of the Atomic Round Table.
He was created by the lateStan Lee, the lateJack Kirby, and Larry Lieber, and first appeared inTales to Astonish #27 in January of 1962.
Since the character's appearance in the comics, Hank Pym has appeared in numerous media over the years, such as in theMarvel Cinematic Universe, where he is portrayed byMichael Douglas.