So I haven't played in a long time, but before the server merge I had finished up Kanto and had a few Johto pokemon.
When I logged in after, I was in the same place but I had 3 Kanto pokemon stuck in my roster that I can't get rid of (can't add to computer, can't rearrange them, etc). They are the Kanto versions of Pidgey, Weedle, and Spinarak.