Leo Quintum

Leo Quintum is a brilliant scientist and director of P.R.O.J.E.C.T., a cutting-edge research organization, who works alongside Superman in Grant Morrison and Frank Quitely's All Star Superman. Enigmatic and intellectually formidable, he plays a pivotal role in the story's exploration of Superman's extraordinary circumstances.

A creation of the legendary Grant Morrison and Frank Quitely, Leo Quintum made his entrance in the landmark All Star Superman #1 in 2006, stepping into one of the Modern Age's most celebrated runs right alongside Superman, Lois Lane, and the full constellation of the Daily Planet. Though his appearances are select rather than sprawling, he's woven into a story that collectors and critics alike hold in the highest regard — meaning every page he graces carries real weight. For fans of prestige-era DC storytelling at its most ambitious, Leo Quintum is a name worth knowing.