Rotom

Rotom is an Electric, Ghost-type Pokémon from the Sinnoh region. While it does not evolve into or from any other Pokémon, it has six different types depending on of its multiple forms.

Possible attacks
Normal=

Charged attacks
Heat=

Charged attacks
Wash=

Charged attacks
Frost=

Charged attacks
Fan=

Charged attacks
Mow=

Trivia

 * Rotom is the first Pokémon to release a distinct form before the default form.