From Bulbapedia, the community-driven Pokémon encyclopedia.
A LOTTA IMAGES UP AHEAD!!
The first one is Kanto; the rest are Johto.
|Pokémon||Green or Gold||Red/Blue or Silver||Yellow or Crystal||Back||Gold or Ruby/Sapphire||Silver or Emerald||Crystal or FireRed/LeafGreen||Conclusion|
|Moltres||Before Yellow, it looked like a prototype for Ho-Oh, which is our next subject.|
|Ho-Oh||Its colors look like those of my grandmother's quilt before Generation III.|