Rats and cockroaches. You can include ants as well, nothing seems to stop them!
i knew it!
Naw, it will not be roaches or rats. It will be a fly. From eating dead humans, it will genically change into some half fly, half human thing like the movie Fly in reverse.
them roaches. they never die D:
Without question, bunnies.
Chimpanzees.....it will become the planet of the apes.
Another primate will probably take our place, opposable thumbs, large brains, and a strong social structure are pretty hard to beat.
Hands are useless without legs to stand on.
Damn right, says me.
When in doubt search for absurd overexaggerations.