User blog comment:IamJakuhoRaikoben/Chapter 379: Tartarus Arc, Part 3: Underworld King, Review./@comment-24066070-20140404090202/@comment-7418318-20140404103447

Tartaros always taked about Hades the place, not Hades the god. In ancient greek mythology Hades was the name of both of the god of the dead and the name of the underworld itself.