I think its Mewtwo
You can't you idiot( I think )
i think
The penultimate boss is the boss before the last boss.
King Boo is the last boss
i think it is darkrai no spoiler alert last boss
If u really want to know ill tell u wat i know i think the last boss is darkrai which is in deep dark crater
Albert Wesker is the last boss
The last boss is Osmund Saddler
the last boss is Azazel.
The last boss is Riku.
Yes I think it is possible to have this matter