No. Nothing is replacing Pluto. Nibiru is not a real object but a hoax. Biyo is not a planet but an asteroid.
A planet after the dwarf planet Pluto It Is A Name For A Unnamed And Unconfirmed Planet See related question for Nibiru
Since Nibiru does not exist, you don't have to do anything.
Neh-bah-roo Nibiru
Never. Nibiru does not exist.
No
Nobody found it. The Nibiru hoax was created in 1995.
Neptune, Pluto, Or planet X (Or Nibiru) are discovered. On the future, Nibiru is discovered. The Future Year: 2111
The name of planet X is Nibiru
There is no "Planet X", no "Nibiru". That's something for scary campfire stories and bad dreams. It is a hoax, a fairy tale, an insane fable. One of the most important things I taught my son when he was little was the difference between "real" and "pretend". "Nibiru" is pretend.
There is no planet Nibiru. It is a myth, so any depictions of size or color would be fiction. (see related link)
Nibiru