Created in the 1950s by the United States Atomic Energy Commission, Mr. Atomic was a friendly, cheerful, and often mischievous cartoon character who was used in educational materials to teach children about atomic energy and nuclear weapons.
He was featured in films, comic books, and other media, and his message was that while atomic energy could be dangerous, it also had the potential to be a great force for good.
However, Mr. Atomic's portrayal of nuclear weapons as something to be managed, rather than feared, was criticized for being overly simplistic and failing to adequately address the potential for catastrophic destruction.