The Aka-san or Gedō Beibī (Heretic Baby) meme features a character often depicted in an intense manga style with an unnervingly mature, hardened, or villainous expression. Originating from Japanese internet culture and imageboards like 2channel, the meme plays on the sharp contrast between the supposed innocence of a newborn and the gritty, 'hard-boiled' persona of a seasoned criminal or cynic. It is widely used to express situations where someone unexpectedly displays a ruthless attitude or to parody intense action movie tropes by applying them to everyday childhood scenarios. The template has become a staple for dark humor and ironic subversions of traditional 'cute' content.