Greeninja

Greninja (ゲッコウガ, Gekkōga, /ɡrɛˈnɪndʒə/ greh-NIN-jə) is a Pokémon species in Nintendo and Game Freak's Pokémon franchise, introduced in Pokémon X and Pokémon Y, that has since appeared across a wide variety of Pokemon media. It is the final evolution of Froakie, the Water-type starter Pokemon of X and Y, with either the ability 'Torrent' or 'Protean', with 'Battle Bond' as an event ability, enabling it to become Ash-Greninja, and the immediate evolution of Frogadier. Categorized as the "Ninja Pokémon", Greninja is a Water- and Dark-type Pokemon who is a frog-like master of swiftness and stealth.