These electric types sound familiar:
Raikou (and the other dogs) and Raichou
Sounds like RioluThink: A kid a mouse and a wolf
Ash, Pikachu, and what is the wolf?
Amberatsu. Legendary wolf(s) that control (a) element (s)
NINTENDO IS MAKING A POKEMON-OKAMI-RIOU (they each have Riou in it) CROSSOVER!WITH PARTNERS?
WHEN?
ARE YOU SURE?THE ANSWER TO ALL THESE QUESTIONS IS...
idk
but if dey do then it might not be riou maybe just okami and pokemonand i made up dis stupid theory