Dagon is, to put it bluntly, a god. From the Void, he’s an ocean-dwelling being with the patience of ancient depths and a dry, wry sense of humor. He also has a tendency to make half-god offspring; there are a lot of Kin who don’t know it, but they’re of Dagon’s line.
He brought a lot of strange aquatic beings with him when he crossed over, not native to Earth. More importantly, he’s the only major god known to have managed that escape from the Void, though there are known to be others.
He’s easy-going, but wants what he wants, and as a god, usually gets it. What he wants, usually, is just a good time (hence enjoying Simon NightOne of two licensed private investigators in Boston, Simon is tough, no-nonsense, and wickedly clever. He's Kin, of the Sun... More singing for him), and is one of the only gods who’s stepped out of the Void regularly onto Earth.
One of his sons is Ganymede GaledeOffspring of Dagon, high priest of the Boston Undersea, One With the Water, Master of the Damp Portal between this... More.