The word Raikou can have several meanings:A small village in the prefecture of
Ioannina, Greece The legendary archer and demon-queller of Japan, born
Minamoto no Yorimitsu, who has given his name to various characters in anime and computer games, such as the following:
Raikou, a Pokémon character.Matsumoto Raikou, a skilled female swordsman and leader of the army that strikes at
Abe no Seimei's castle in the 2005 Shin
Getter Robo anime.Raiko (band), a J-Pop band.
See more at Wikipedia.org...
[Japanese] The poetic name of Minamoto Yorimitsu, a celebrated Japanese hero of the 11th century whose life was made into a legend. With his four retainers, he slew a great many giants.