meltan
Pokémon #808 in the National Pokédex, a Steel type Mythical Pokémon.
It was introduced in Generation VII through Pokémon GO and Pokémon Let's Go, Pikachu and Eevee!. A small, curious Pokémon with a hexagonal nut for a head and a blob-like body resembling a Ditto. Unlike most Mythical Pokémon, it can evolve if fed a large amount of candy in GO.
It evolves into Melmetal.
Japanese name: Meltan