...actually, I do believe those things. Butterfree and Venonat look way too similar for it to be a coincidence. Munna could've been a scrapped idea for RBY they decided to reference, then they brought it back for B/W. And as for Raticate, the evidence, while vague, is undoubtedly there.
*Blue questions your presence in the tower while giving no satisfactory reason for his own presence there. *He claims to have just caught a Cubone, but despite having a blank space on his team, never uses one. Obvious excuse is obvious. *In this battle, the one that takes place in a frickin' PokÚmon graveyard, he doesn't have Raticate anymore. In his previous battle on the S.S. Anne, he did.
I am Missingno. Master. R Official Team Rocket member.