Arceus

Arceus is a Normal-type Mythical Pokémon introduced in Generation IV. It is known as the 'Alpha Pokémon' that is said to have created the whole Pokémon universe, along with the lake guardians (Azelf, Mesprit and Uxie) and the creation trio (Dialga, Giratina and Palkia)

How to Obtain
It can be obtained in Arceus Valley on Pewter City Arch. Current requirements are all badges from both Johto and Kanto including the Champion Badge.

Evolution
Arceus can evolve into Divine Arceus when exposed to a Perfect Gem. The cost of this item is 10,000,000 Pokédollars. The plate forms of Arceus not included in the game yet.

Moves
Arceus can learn all moves (including TMs) except for Explosion.