Magneton

Magneton is a Electric, Steel-type Pokémon from Kanto region. It evolves from Magnemite after being fed with 50 candies.

Trivia

 * Since Generation IV of core series games, Magneton evolves into Magnezone, but in Pokémon GO it's currently not possible.
 * On February, 2017, Magneton's attacks Thunder Shock and Discharge were removed from possible attacks.