User blog comment:Darkcloud1111/''The Mark of Athena'' Plot Holes/@comment-1515612-20121010234338/@comment-1515612-20121012204138

Yes, I understand that, but Rick Riordan said, ''So which is it: Hercules or Heracles? Heracles is his Greek name. He's better known by his Roman name Hercules, which is what most people, even Greek demigods, tend to call him.''