I remembered somebody commenting in the tags of my last Pokekyuu pic that they’d really liked it if Yama’s Eevee evolved into Sylveon and I was kind of stunned because yes, it’s my headcannon too ; v ;
The reason why Yamaguchi has no idea about Eevee evolutions is because the original Hoenn games didn’t have Eevee in the pokedex, so I assume whatever school he attended as a kid wouldn’t have taught about them…. Tsukki moved from Kanto/Johto shortly before their pokemon journey, which is why he knows.
Can we all admire that one time Ash made his own version of team rocket’s motto and they genuinely were confused and then started yelling at him about copyright. You’re Jessie and James how the hell have you copyrighted something?