sentences:  Enigma seems to have a personal connection to the Anti-Matter Earth, as evidenced by an emotional outburst when Despero suggests conquering it.This is confirmed when Enigma teleports himself to a base orbiting the Anti-Matter Earth.Eventually, Enigma is unmasked when he attempts to sap Superman's powers via red sunlight radiation, but reversed in wavelength, which is ineffective over a being of New Earth; this spurs Superman into scanning Enigma's body with his X-ray vision, confirming that he is the Anti-Matter Earth's Riddler.