The Human Species Ch.17 - Forgiveness (Epilogue of Episode III)
Latest developments show us that neither raikou nor suicune are willing to join our cause!" "... damn. truly the lapdogs of mankind. not completely unexpected, of course..." "no signs of improvement from entei, either!"
The Beginning of Red's Great Adventure
And before the three trainers' pokemon attacked, the three legendary dogs, suicune, entei, and raikou stopped them, blocking the attacks. a few seconds after, many more legendary pokemon entered and then even rayquaza came from his kingdom high in the sky
The Human Species Ch.10 - Travels (Epilogue of Episode II)
The pain of having it pulled out had been bad, but nothing compared to his battles against suicune, raikou or the aura that lay dormant within him.
The Human Species Ch.7 - Smug Chief Snivy
Apart from the color, the mane of the horse reminded lucario quite a bit of raikou, and he silently made a promise to himself not to rush into battle the next time as they walked past them. "...
Watcher of Arceus - The World of Arceus Side Stories 6, Rick 2
A quick trip into the temple, and a blessing from raikou and entei to allow rick deeper access into the temple.
Pokemorph Virus: Cavern
"suicune, and raikou?" she said, gathering her courage. "i cannot speak for the others," entei shook his head, slowly stepping up to the pillar, and then around it to face them. "they come on their own accord.
The Human Species Ch.12 - Beautiful Dancer Gallade
Lucario shouted as his body shimmered from the heavy voltage, the sensation reminding him of his encounter with raikou.
The Human Species Ch. 25 - Unique Revolutionist Zoroark
Sensing the aura of the aged monster in front of him, he felt a power beyond that of suicune, raikou and rayquaza all put together...
Forever Legendary Ch.3 - The Legendary Ho-Oh
The burned tower is housed by wild pokémon, and is said to once have been the habitat for entei, suicune and raikou.
What is a Man?
"i swear to raikou, i'm gonna file for a restraining order," raich sighed. "you haven't yet?" gardevoir asked. she'd wanted to say it as a joke, but she was so sick of that guy she might do it for raich. raich chuckled despite himself and shrugged.
Eternal Instant of Darkness: Cahpter IV: Crashing Waves
He stood around 1'90m tall, had most of his body uncovered, showing off his dark blue fur, golden rings and, on his sides, he had the pattern of a raikou on them, it also glowed, just like the rings, his only clothing were a pair of white wolf's fur shorts