>>48335784>>48335670They used the Zodiac in I+II and given then did a rooster, monkey, pig, etc after the creature they specifically called "nezumi" in Gen II, it's blatantly clear they started earlier than you want them to have.
You forget, while they were fucking about failing to code Kanto in the game, Tajiri was still fiddling with the thing anyway (it's why Gen I took so long - he kept messing with it and revising it)
