>>19114232Arceus is considered a Legendary Pokemon, yet obviously Arceus is the creator-god. Just as Dialga, Palkia, and Giratina are gods of time, space, and anti-matter.
Greater gods create lesser gods and lesser gods create even lesser gods beneath them. This is typical paganistic mythos and fiction. Obviously there is no greater legendary with the power over water than Kyogre.
So therefore, it can be concluded that Kyogre is the greatest water-legendary in the pokemon verse. Henceforth, Kyogre is the god of the ocean