Nathaniel "Nate" Grey (X-Man) is a fictional comic book superhero appearing in books published by Marvel Comics, in particular, those related to the X-Men franchise. He is an Omega-level mutant genetically created by Mr. Sinister from the Age of Apocalypse timeline. He shares the same genetic history as Cable. After returning from the dead Nate has joined the New Mutants and started a relationship with Dani Moonstar. He is created by writer Jeph Loeb and artist Steve Skroce, he first appeared in X-Man #1 (March 1995).