Apparently, in Pokémon Gaia, Raichu can learn Fly : r/PokemonROMhacks

How to get HM 02 FLY in Pokemon Fire Red / Leaf Green

WHERE TO FIND HM02 FLY ON POKEMON FIRE RED AND LEAF GREEN

Pokémon FireRed/LeafGreen Nuzlocke Viability Rankings 6.0 : r/nuzlocke

Pokemon Red Blue Yellow What Pokemon Can Learn Fly HM02 - Which Pokemon To Teach Fly Gen 1

FireRed LeafGreen Community Tier List Day 9! Today is our biggest post yet: We're covering Pokemon Tower, the Eeveelutions, and routes near Celadon. So we're ranking Haunter, Gengar, Marowak, Vaporeon, Jolteon, Flareon

How to catch Dratini in Pokémon FireRed and LeafGreen - Quora

Charizard Pokédex: stats, moves, evolution & locations

How to Catch Zapdos in Pokémon Fire Red: 5 Steps (with Pictures)

First Playthrough! Trying to learn pokemon types and weaknesses still lol.

The Most Common Hall of Famers In Pokémon FireRed & LeafGreen From The Last 6 Months : r/nuzlocke