User blog comment:Staw-Hat Luffy/About Kaido/@comment-4908812-20130130201657

I remember that Doflamingo tried to kill Moria, is that because he fought Kaido?

Kaido being the strongest creature makes him nearly powerful as Shirohige!!

so he must be the main villian of the saga or maybe antagonist osf the next arc. I don't know

I think the Supernovas will defeat him