Appearance
Raikou is a yellow, tiger-like Pokémon with black stripes, a white belly, and long fangs. A purple cloud mane on its back shoots lightning bolts.

#243
Thunder Pokémon
Raikou is a Electric-type Pokémon, No. 243 in the National Pokédex, introduced in Generation 2 (Johto region).
« Raikou embodies the speed of lightning. The roars of this Pokémon send shock waves shuddering through the air and shake the ground as if lightning bolts had come crashing down. »
Raikou is a yellow, tiger-like Pokémon with black stripes, a white belly, and long fangs. A purple cloud mane on its back shoots lightning bolts.
A lightning bolt set Brass Tower on fire; Ho-Oh revived Raikou to embody that bolt. It races grasslands in storms, barks like thunder, and distrusts humans.
In The Legend of Thunder!, Attila and Hun failed to capture Raikou. A Shiny Raikou later appeared beside the rest of its trio.
Muneo Saitō made Raikou the tiger of the legendary beasts. Its name may come from rai, thunder, and kō, emperor.