To a degree, the Greek and Roman mythological heroes are just the first superheroes. They appeal to children for much the same reason. These gods and heroes may have powers, but they get angry and they do the wrong thing. They are human too.
Rick RiordanThere's another problem," Percy said. "I'm not good with air travel. It's dangerous for a son of Neptune." "You'll have to risk it...and so will I," Frank said. "By the way, we're related." Percy almost stumbled off the roof. "What?
Rick RiordanI didn't answer, but, please - nothing is obvious with boys. For such simple creatures, they are quite baffling.
Rick Riordan