Registeel

Registeel is an unreleased Steel-type Legendary Pokémon from the Hoenn region. It doesn't evolve into nor from any other Pokémon.

Trivia

 * Regice is considered by player community as a part of the "Regi" Pokémon family &mdash; Regirock, Regice, Registeel, and Regigigas (Sinnoh-region Pokémon), but none of them is related with each other by evolution