Raikou

Raikou is an Electric-type Legendary Pokémon from Johto region. It doesn't evolve into or from any other Pokémon. It used to be available for capture when defeated as a Raid Boss.

Trivia

 * Along with Entei and Suicune, Raikou is a member of Legendary Beasts.
 * Raikou was first introduced as a Raid Boss from August, 2017, to September , 2017, throughout the Americas.
 * Raikou became available throughout the Asia-Pacific region, from September, 2017 to October , 2017.
 * Raikou became available throughout Europe and Africa, from October, 2017 to November , 2017.