Originally Posted by Nanayat
Its fake, and somebody probably coded that message in from wherever you got that music from, for one thing.... the unknowns didn't even appear till gold/silver... so that makes it HIGHLY unlikely that that was there beforehand, atleast thats enough evidence for me
Ho-oh existed since gen 1 (Remember the glowing bird thing when Ash started his journey in the very first episode of the anime?), yet it never appeared in gen 1 pokedex :>
IMO that means that Gen 2 was planned all along!