Atom Ant is a tiny but mighty superhero ant from Hanna-Barbera cartoons, first appearing in the mid-1960s. Operating from his secret anthill headquarters, Atom Ant possesses superhuman strength, speed, and the ability to fly. His catchphrase, 'Up and at 'em, Atom Ant!', signals his readiness to take on villains, solve mysteries, and protect the innocent. Despite his small stature, he often outsmarts larger adversaries with his cleverness and incredible powers, making him a beloved animated character for generations.