User blog comment:Pink rainbow puffle Gigi Snivy/Will ghostfreak, Upgrade, wildvine, benwolf, benmummy, benvictor, ditto, jetray and goop appepar on omniverce?/@comment-124.171.201.167-20121113111722

If you look at the aliens pages on this wiki it might say if they will appear. The wiki only ones that I have checked are ditto and benvicktor and they are confirmed to reappear but look elsewere for all the others.