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.
A Spark of Rememberance
Pichu dna was enhanced with the dna of electabuzz, jolteon, and the legendary known as raikou. their electric cheeks were to be modified using technology based off of electrodes, to be done soon after their "birth."
Watcher of Arcues - Path of the Immortal Chapter 15
Surely you didn't run into entie or raikou while taking a shower?" sarah asked seeing him drop his head, thomas just barely shaking his head. “i... i'll explain later, let's just go."
Luna and Thief Ch: 14
Entei, suicune and raikou. groudon, kyrogre and rayquaza... standing before her, in the last split seconds were their bodies, defeated - the impossible. in their place was **_them_**.
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
Pokemon:Legends Ch.10 A Heated Home Coming Pt.3 Moving Forward
"so you want me to give up on my quest to conquer the league, amaya to give up on capturing entei, raikou, and suicune. and blaze... what is it that you want blaze?" blaze made a showing of thinking about it. "actually devin i do want to see the world.
Luna and Thief Ch: 29
“the closest i ever got was an attempt to capture a suicune; raikou interrupted the research. shame. it could have been a cure. currently i'm on the hunt for a mew or latios, latias." griffin flinched a little “that's crazy!"