Complex sentence: He first appeared as the Cyborg Superman during the "Reign of the Supermen" storyline following Superman's death, but is also known frequently as "The Cyborg" (not to be confused with Teen Titans member Victor Stone, aka Cyborg).
Split into simpler sentences: He first appeared as the Cyborg Superman during the "Reign of the Supermen" storyline following Superman's death, but is also known frequently as "The Cyborg". He is not to be confused with Teen Titans member Victor Stone (Cyborg).