Raikou (ライコウ, Raikou) is a fictional creature in the Pokémon media franchise.
Raikou is an Electric-type Legendary Pokémon introduced in Generation II, and is categorized within the Pokédex at #243 as the "Thunder Pokémon". Along with Entei and Suicune, Raikou is part of a trio commonly referred as the legendary beasts: in Pokémon Gold and Silver and their remakes Pokémon HeartGold and SoulSilver they can be found in the Burned Tower; however, when interacted with, they run away. Raikou can then be found randomly in any route, and will attempt to run away whenever it gets a free turn unless it gets trapped by a move like Mean Look or an ability like Shadow Tag: however, any damage and status conditions received will be retained.
Spark is an Electric-type physical move with 65 base power, 100% accuracy and a 30% chance to inflict the Paralysis status on the target. Raikou can learn it naturally in every game.
Raikou is treated as a "legendary" Poké Ball Pokémon; its chance of appearing is much rarer than most of the others, and in return its effect is more powerful. Raikou uses Spark as its attack. A current of electricity will form around Raikou. Any character (other than the summoner) that makes contact with the ground within the current of electricity will take 20% damage (up to 180% damage is possible, if all possible hits connect) and be thrown a short distance up into the air, similar to Venusaur's Earthquake, though more powerful and in a much larger area.
Raikou features as a collectible trophy, unlocked as one of the trophies that can be collected randomly in the Trophy Lottery, though it only appears once all characters have been unlocked.
Raikou only appears as a random trophy. It is part of the Legends of Johto Trophy Box.
Raikou appears as a Primary Spirit with Entei & Suicune.