A character with powers over nuclear radiation. When nuclear radiation isn't just the source of your strength, it is your strength. Characters with an Atomic Superpower have their powers themed around various atomic phenomena such as radiation, nuclear energy, or quantum mechanics. Abilities such as these tend to be incredibly powerful and may be wielded recklessly. "My name is Captain Atom. As in A-bomb... as in nuclear fission... as in... the end of the world." The power of the atom.