Atom Ant Cartoon Character . With a hearty cry of "up and at 'em, atom ant!" the tiny hero zoomed to the scene like a miniature whirlwind, overcoming every challenge he faced with relative ease. See more ideas about atom ant, hanna barbera cartoons, classic cartoons. Deep in his underground laboratory, atom ant received calls for help from law enforcement agencies, or by picking up distress signals from everyday citizens through the use of his antennae. 23.04.2019 · who remembers this tiny but mighty cartoon bug?about atom ant:join the adventures of atom ant, the world's smallest superhero, from whom no villain is safe o. Created by joseph barbera, william hanna.