Arceus is the Pokémon that was the creator of the world in the mythology of the Ancient Gardevites. They called him Feseda, and after he created the world, he created Dialga (Fes), Palkia (Hes), Giratina (Ce), Uxie (Cerep), Azelf (Ceremep), and Mesprit (Mecer). Arceus was the God of Creation, the World, the number 1000, arms, birth, existence, eggs, nothingness, Sinnoh (Re), and everything else.